{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-27727", "tracking": { "current_release_date": "2026-03-27T20:17:35.491917Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-27727", "initial_release_date": "2026-02-25T16:39:54.286991Z", "revision_history": [ { "date": "2026-02-25T16:39:54.286991Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (4).| CWES updated (1)." }, { "date": "2026-02-25T16:40:02.940944Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-25T18:30:03.012074Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-02-25T18:30:06.823562Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-25T18:39:55.357101Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (5).| CWES updated (1)." }, { "date": "2026-02-25T18:39:58.304246Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-25T20:39:14.720328Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-02-26T00:15:03.008760Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (33).| References created (6).| CWES updated (1)." }, { "date": "2026-02-26T00:27:34.799738Z", "number": "9", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (13).| Product Identifiers created (12).| Product Remediations created (24).| Products created (11).| References created (6).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-02-26T00:27:42.390821Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-02-26T00:31:35.623590Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (3).| Product Identifiers created (31).| Products created (29).| References created (4).| CWES updated (1)." }, { "date": "2026-02-26T00:31:38.956274Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-02-26T14:13:41.004913Z", "number": "13", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-26T14:13:51.142608Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-02-27T21:39:44.093113Z", "number": "15", "summary": "References created (1).| CWES updated (1)." }, { "date": "2026-02-27T21:39:52.466782Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-06T12:29:05.771581Z", "number": "17", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (1).| Product Remediations created (2).| References created (14).| CWES updated (1)." }, { "date": "2026-03-06T12:29:19.639261Z", "number": "18", "summary": "NCSC Score updated." }, { "date": "2026-03-11T13:05:37.066282Z", "number": "19", "summary": "Source created.| CVE status created. (valid)| Products created (1).| References created (5)." }, { "date": "2026-03-11T13:05:38.880019Z", "number": "20", "summary": "NCSC Score updated." }, { "date": "2026-03-12T00:24:38.202867Z", "number": "21", "summary": "CVSS created.| Products created (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-03-12T00:24:41.834679Z", "number": "22", "summary": "NCSC Score updated." }, { "date": "2026-03-12T12:27:31.540100Z", "number": "23", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| Product Identifiers created (1).| Product Remediations created (2).| References created (11).| CWES updated (1)." }, { "date": "2026-03-20T09:40:00.592723Z", "number": "24", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:40:03.399902Z", "number": "25", "summary": "NCSC Score updated." }, { "date": "2026-03-27T19:49:15.717330Z", "number": "26", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (7).| CWES updated (1)." }, { "date": "2026-03-27T19:49:19.423404Z", "number": "27", "summary": "NCSC Score updated." } ], "status": "interim", "version": "27" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/debezium for red hat application foundations <3.2.7", "product": { "name": "vers:unknown/debezium for red hat application foundations <3.2.7", "product_id": "CSAFPID-5794553" } } ], "category": "product_name", "name": "Enterprise Linux" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/3", "product": { "name": "vers:rpm/3", "product_id": "CSAFPID-5810324", "product_identification_helper": { "cpe": "cpe:/a:redhat:debezium:3" } } } ], "category": "product_name", "name": "Red Hat Build of Debezium 3.2" } ], "category": "product_family", "name": "Red Hat Integration" 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"pkg:maven/com.mchange/mchange-commons-java@0.2.3.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.3.4", "product": { "name": "vers:unknown/0.2.3.4", "product_id": "CSAFPID-5721551", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.3.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.4", "product": { "name": "vers:unknown/0.2.4", "product_id": "CSAFPID-5721553", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.4" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.5", "product": { "name": "vers:unknown/0.2.5", "product_id": "CSAFPID-5721554", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.6", "product": { "name": "vers:unknown/0.2.6", "product_id": "CSAFPID-5721555", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.6" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.6.1", "product": { "name": "vers:unknown/0.2.6.1", "product_id": "CSAFPID-5721556", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.6.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.6.2", "product": { "name": "vers:unknown/0.2.6.2", "product_id": "CSAFPID-5721557", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.6.2" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.6.3", "product": { "name": "vers:unknown/0.2.6.3", "product_id": "CSAFPID-5721559", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.6.3" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.6.5", "product": { "name": "vers:unknown/0.2.6.5", "product_id": "CSAFPID-5721560", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.6.5" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.7", "product": { "name": "vers:unknown/0.2.7", "product_id": "CSAFPID-5721561", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.7" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.8", "product": { "name": "vers:unknown/0.2.8", "product_id": "CSAFPID-5721562", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.8" } } }, { "category": "product_version_range", "name": "vers:unknown/0.2.9", "product": { "name": "vers:unknown/0.2.9", "product_id": "CSAFPID-5721563", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.2.9" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.0", "product": { "name": "vers:unknown/0.3.0", "product_id": "CSAFPID-5721565", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.3.0" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.1", "product": { "name": "vers:unknown/0.3.1", "product_id": "CSAFPID-5721566", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.3.1" } } }, { "category": "product_version_range", "name": "vers:unknown/0.3.2", "product": { "name": "vers:unknown/0.3.2", "product_id": "CSAFPID-5721567", "product_identification_helper": { "purl": "pkg:maven/com.mchange/mchange-commons-java@0.3.2" } } }, { "category": "product_version_range", "name": "vers:unknown/<0.4.0", "product": { "name": "vers:unknown/<0.4.0", "product_id": "CSAFPID-5704584" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<0.4.0", "product": { "name": "vers:unknown/>=0|<0.4.0", "product_id": "CSAFPID-5721568" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.10", "product": { "name": "vers:unknown/mchange-commons-java-0.2.10", "product_id": "CSAFPID-5713753" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.11", "product": { "name": "vers:unknown/mchange-commons-java-0.2.11", "product_id": "CSAFPID-5713754" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.12", "product": { "name": "vers:unknown/mchange-commons-java-0.2.12", "product_id": "CSAFPID-5713755" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.13", "product": { "name": "vers:unknown/mchange-commons-java-0.2.13", "product_id": "CSAFPID-5713756" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.14", "product": { "name": "vers:unknown/mchange-commons-java-0.2.14", "product_id": "CSAFPID-5713757" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.15", "product": { "name": "vers:unknown/mchange-commons-java-0.2.15", "product_id": "CSAFPID-5713758" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.16", "product": { "name": "vers:unknown/mchange-commons-java-0.2.16", "product_id": "CSAFPID-5713759" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.17", "product": { "name": "vers:unknown/mchange-commons-java-0.2.17", "product_id": "CSAFPID-5713760" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.3.2", "product": { "name": "vers:unknown/mchange-commons-java-0.2.3.2", "product_id": "CSAFPID-5713761" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.3.3", "product": { "name": "vers:unknown/mchange-commons-java-0.2.3.3", "product_id": "CSAFPID-5713762" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.4", "product": { "name": "vers:unknown/mchange-commons-java-0.2.4", "product_id": "CSAFPID-5713763" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.5", "product": { "name": "vers:unknown/mchange-commons-java-0.2.5", "product_id": "CSAFPID-5713764" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.6", "product": { "name": "vers:unknown/mchange-commons-java-0.2.6", "product_id": "CSAFPID-5713765" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.6.1", "product": { "name": "vers:unknown/mchange-commons-java-0.2.6.1", "product_id": "CSAFPID-5713766" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.6.2", "product": { "name": "vers:unknown/mchange-commons-java-0.2.6.2", "product_id": "CSAFPID-5713767" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.6.3", "product": { "name": "vers:unknown/mchange-commons-java-0.2.6.3", "product_id": "CSAFPID-5713768" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.6.5", "product": { "name": "vers:unknown/mchange-commons-java-0.2.6.5", "product_id": "CSAFPID-5713769" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.7", "product": { "name": "vers:unknown/mchange-commons-java-0.2.7", "product_id": "CSAFPID-5713770" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.7-final", "product": { "name": "vers:unknown/mchange-commons-java-0.2.7-final", "product_id": "CSAFPID-5713771" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.8", "product": { "name": "vers:unknown/mchange-commons-java-0.2.8", "product_id": "CSAFPID-5713772" } }, { "category": "product_version_range", "name": "vers:unknown/mchange-commons-java-0.2.9", "product": { "name": "vers:unknown/mchange-commons-java-0.2.9", "product_id": "CSAFPID-5713773" } }, { "category": "product_version_range", "name": "vers:unknown/pre-sbt-migration", "product": { "name": "vers:unknown/pre-sbt-migration", "product_id": "CSAFPID-5713774" } }, { "category": "product_version_range", "name": "vers:unknown/v0.2.18", "product": { "name": "vers:unknown/v0.2.18", "product_id": "CSAFPID-5713775" } }, { "category": "product_version_range", "name": "vers:unknown/v0.2.19", "product": { "name": "vers:unknown/v0.2.19", "product_id": "CSAFPID-5713776" } }, { "category": "product_version_range", "name": "vers:unknown/v0.2.20", "product": { "name": "vers:unknown/v0.2.20", "product_id": "CSAFPID-5713777" } }, { "category": "product_version_range", "name": "vers:unknown/v0.3.0", "product": { "name": "vers:unknown/v0.3.0", "product_id": "CSAFPID-5713778" } }, { "category": "product_version_range", "name": "vers:unknown/v0.3.1", "product": { "name": "vers:unknown/v0.3.1", "product_id": "CSAFPID-5713779" } }, { "category": "product_version_range", "name": "vers:unknown/v0.3.2", "product": { "name": "vers:unknown/v0.3.2", "product_id": "CSAFPID-5713780" } } ], "category": "product_name", "name": "mchange-commons-java" } ], "category": "vendor", "name": "swaldman" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<0.4.0", "product": { "name": "vers:unknown/<0.4.0", "product_id": "CSAFPID-5804847", "product_identification_helper": { "cpe": "cpe:2.3:a:mchange:mchange_commons_java:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "mchange_commons_java" } ], "category": "vendor", "name": "mchange" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-27727", "cwe": { "id": "CWE-502", "name": "Deserialization of Untrusted Data" }, "notes": [ { "category": "description", "text": "mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-27727" }, { "category": "description", "text": "mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-27727" }, { "category": "description", "text": "### Impact\nmchange-commons-java includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code.\n\nImplementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened.\n\n### Patches\nMirroring the JDK patch, mchange-commons-java's JNDI functionality is now gated by configuration parameters that default to restrictive values. Those parameters are documented [here](https://www.mchange.com/projects/c3p0/#configuring_security).\n\n### Workarounds\nNo. Users should upgrade to mchange-commons-java >= 0.4.0. Earlier versions should be avoided on application CLASSPATHs.\n\n### References\n\n[c3p0, you little rascal — Hans-Martin Münch](https://mogwailabs.de/en/blog/2025/02/c3p0-you-little-rascal/)\n[c3p0 documentation, security note](https://www.mchange.com/projects/c3p0/#security-note)\n[c3p0 documentation, configuring security](https://www.mchange.com/projects/c3p0/#configuring_security)", "title": "github - https://github.com/advisories/GHSA-m2cm-222f-qw44" }, { "category": "description", "text": "mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27727.json?alt=media" }, { "category": "description", "text": "No description is available for this CVE.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-27727" }, { "category": "description", "text": "### Impact\nmchange-commons-java includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code.\n\nImplementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened.\n\n### Patches\nMirroring the JDK patch, mchange-commons-java's JNDI functionality is now gated by configuration parameters that default to restrictive values. Those parameters are documented [here](https://www.mchange.com/projects/c3p0/#configuring_security).\n\n### Workarounds\nNo. Users should upgrade to mchange-commons-java >= 0.4.0. Earlier versions should be avoided on application CLASSPATHs.\n\n### References\n\n[c3p0, you little rascal — Hans-Martin Münch](https://mogwailabs.de/en/blog/2025/02/c3p0-you-little-rascal/)\n[c3p0 documentation, security note](https://www.mchange.com/projects/c3p0/#security-note)\n[c3p0 documentation, configuring security](https://www.mchange.com/projects/c3p0/#configuring_security)", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Maven%2FGHSA-m2cm-222f-qw44.json?alt=media" }, { "category": "description", "text": "mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.", "title": "redhat - https://access.redhat.com/errata/RHSA-2026:3890" }, { "category": "description", "text": "mchange-commons-java, a library that provides Java utilities, includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code. Implementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened. Mirroring the JDK patch, mchange-commons-java's JNDI functionality is gated by configuration parameters that default to restrictive values starting in version 0.4.0. No known workarounds are available. Versions prior to 0.4.0 should be avoided on application CLASSPATHs.", "title": "redhat - https://access.redhat.com/errata/RHSA-2026:4285" }, { "category": "description", "text": "mchange-commons-java includes code that mirrors early implementations of JNDI functionality, including support for remote `factoryClassLocation` values, by which code can be downloaded and invoked within a running application. If an attacker can provoke an application to read a maliciously crafted `jaxax.naming.Reference` or serialized object, they can provoke the download and execution of malicious code.\n\nImplementations of this functionality within the JDK were disabled by default behind a System property that defaults to `false`, `com.sun.jndi.ldap.object.trustURLCodebase`. However, since mchange-commons-java includes an independent implementation of JNDI derefencing, libraries (such as c3p0) that resolve references via that implementation could be provoked to download and execute malicious code even after the JDK was hardened.", "title": "gitlab - https://gitlab.com/api/v4/projects/25847700/repository/files/maven%2Fcom.mchange%2Fmchange-commons-java%2FCVE-2026-27727.yml/raw" }, { "category": "other", "text": "0.00098", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "title": "CVSSV4" }, { "category": "other", "text": "8.9", "title": "CVSSV4 base score" }, { "category": "other", "text": "5.0", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde, VENDOR FIX as product remediation category", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')), There is product_remediation data available from source Redhat, There is exploit data available from source Nvd, Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 3\n", "title": "Vendor assessment" } ], "product_status": { "fixed": [ "CSAFPID-5766379", "CSAFPID-5810324", "CSAFPID-5944646" ], "known_affected": [ "CSAFPID-5704584", "CSAFPID-5713748", "CSAFPID-5713749", "CSAFPID-5713750", "CSAFPID-5713751", "CSAFPID-5713752", "CSAFPID-5713753", "CSAFPID-5713754", "CSAFPID-5713755", "CSAFPID-5713756", "CSAFPID-5713757", "CSAFPID-5713758", "CSAFPID-5713759", "CSAFPID-5713760", "CSAFPID-5713761", "CSAFPID-5713762", "CSAFPID-5713763", "CSAFPID-5713764", "CSAFPID-5713765", "CSAFPID-5713766", "CSAFPID-5713767", "CSAFPID-5713768", "CSAFPID-5713769", "CSAFPID-5713770", "CSAFPID-5713771", "CSAFPID-5713772", "CSAFPID-5713773", "CSAFPID-5713774", "CSAFPID-5713775", "CSAFPID-5713776", "CSAFPID-5713777", "CSAFPID-5713778", "CSAFPID-5713779", "CSAFPID-5713780", "CSAFPID-1439286", "CSAFPID-1439294", "CSAFPID-1439300", "CSAFPID-1439302", "CSAFPID-1439304", "CSAFPID-1439306", "CSAFPID-1439313", "CSAFPID-2467441", "CSAFPID-2467457", "CSAFPID-2783932", "CSAFPID-2783934", "CSAFPID-2912480", "CSAFPID-3026117", "CSAFPID-5721030", "CSAFPID-5721031", "CSAFPID-5721032", "CSAFPID-5721033", "CSAFPID-5721034", "CSAFPID-5721035", "CSAFPID-5721036", "CSAFPID-5721037", "CSAFPID-5721038", "CSAFPID-5721039", "CSAFPID-5721040", "CSAFPID-5721534", "CSAFPID-5721535", "CSAFPID-5721537", "CSAFPID-5721538", "CSAFPID-5721539", "CSAFPID-5721540", "CSAFPID-5721541", "CSAFPID-5721543", "CSAFPID-5721544", "CSAFPID-5721545", "CSAFPID-5721547", "CSAFPID-5721548", "CSAFPID-5721549", "CSAFPID-5721550", "CSAFPID-5721551", "CSAFPID-5721553", "CSAFPID-5721554", "CSAFPID-5721555", "CSAFPID-5721556", "CSAFPID-5721557", "CSAFPID-5721559", "CSAFPID-5721560", "CSAFPID-5721561", "CSAFPID-5721562", "CSAFPID-5721563", "CSAFPID-5721565", "CSAFPID-5721566", "CSAFPID-5721567", "CSAFPID-5721568", "CSAFPID-5794553", "CSAFPID-5804847" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27727" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/27xxx/CVE-2026-27727.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27727" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-27727" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-m2cm-222f-qw44" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-m2cm-222f-qw44" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-27727.json?alt=media" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-27727" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-27727.json" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Maven%2FGHSA-m2cm-222f-qw44.json?alt=media" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-27727" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/errata/RHSA-2026:3890" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:3890.json" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0694.json" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/errata/RHSA-2026:4285" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/csaf/RHSA-2026:4285.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - gitlab", "url": "https://gitlab.com/api/v4/projects/25847700/repository/files/maven%2Fcom.mchange%2Fmchange-commons-java%2FCVE-2026-27727.yml/raw" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://github.com/swaldman/mchange-commons-java/security/advisories/GHSA-m2cm-222f-qw44" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://mogwailabs.de/en/blog/2025/02/c3p0-you-little-rascal" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://www.mchange.com/projects/c3p0/#configuring_security" }, { "category": "external", "summary": "Reference - cveprojectv5; github; gitlab; nvd; osv; redhat", "url": "https://www.mchange.com/projects/c3p0/#security-note" }, { "category": "external", "summary": "Reference - github; gitlab", "url": "https://github.com/advisories/GHSA-m2cm-222f-qw44" }, { "category": "external", "summary": "Reference - osv", "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27727.json" }, { "category": "external", "summary": "Reference - github; gitlab; osv; redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27727" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-27727" }, { "category": "external", "summary": "Reference - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-27727" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442671" }, { "category": "external", "summary": "Reference - redhat", "url": "https://access.redhat.com/errata/RHSA-2026:3890" }, { "category": "external", "summary": "Reference - redhat", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2408784" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430180" }, { "category": "external", "summary": "Reference - redhat", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442908" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3890.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0694.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0694" }, { "category": "external", "summary": "Reference - certbundde; redhat", "url": "https://access.redhat.com/errata/RHSA-2026:4285" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/security/cve/cve-2026-27727" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://access.redhat.com/security/cve/cve-2026-27830" }, { "category": "external", "summary": "Reference - redhat", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4285.json" }, { "category": "external", "summary": "Reference - gitlab", "url": "https://github.com/swaldman/mchange-commons-java" } ], "remediations": [ { "category": "mitigation", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "CSAFPID-1439286", "CSAFPID-1439294", "CSAFPID-1439300", "CSAFPID-1439302", "CSAFPID-1439304", "CSAFPID-1439306", "CSAFPID-1439313", "CSAFPID-2467441", "CSAFPID-2467457", "CSAFPID-2783932", "CSAFPID-2783934", "CSAFPID-2912480", "CSAFPID-3026117", "CSAFPID-5721030", "CSAFPID-5721031", "CSAFPID-5721032", "CSAFPID-5721033", "CSAFPID-5721034", "CSAFPID-5721035", "CSAFPID-5721036", "CSAFPID-5721037", "CSAFPID-5721038", "CSAFPID-5721039", "CSAFPID-5721040" ] }, { "category": "vendor_fix", "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "CSAFPID-5766379" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:3890" }, { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.", "product_ids": [ "CSAFPID-5766379", "CSAFPID-5810324" ] }, { "category": "vendor_fix", "details": "To apply this update, follow the standard installation procedure for your platform:\n\n* https://docs.redhat.com/en/documentation/red_hat_build_of_debezium/3.2.7/html-single/installing_debezium_on_openshift/index\n*\nhttps://docs.redhat.com/en/documentation/red_hat_build_of_debezium/3.2.7/html-single/installing_debezium_on_rhel/index", "product_ids": [ "CSAFPID-5810324" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:4285" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-1439286", "CSAFPID-1439294", "CSAFPID-1439300", "CSAFPID-1439302", "CSAFPID-1439304", "CSAFPID-1439306", "CSAFPID-1439313", "CSAFPID-2467441", "CSAFPID-2467457", "CSAFPID-2783932", "CSAFPID-2783934", "CSAFPID-2912480", "CSAFPID-3026117", "CSAFPID-5704584", "CSAFPID-5713748", "CSAFPID-5713749", "CSAFPID-5713750", "CSAFPID-5713751", "CSAFPID-5713752", "CSAFPID-5713753", "CSAFPID-5713754", "CSAFPID-5713755", "CSAFPID-5713756", "CSAFPID-5713757", "CSAFPID-5713758", "CSAFPID-5713759", "CSAFPID-5713760", "CSAFPID-5713761", "CSAFPID-5713762", "CSAFPID-5713763", "CSAFPID-5713764", "CSAFPID-5713765", "CSAFPID-5713766", "CSAFPID-5713767", "CSAFPID-5713768", "CSAFPID-5713769", "CSAFPID-5713770", "CSAFPID-5713771", "CSAFPID-5713772", "CSAFPID-5713773", "CSAFPID-5713774", "CSAFPID-5713775", "CSAFPID-5713776", "CSAFPID-5713777", "CSAFPID-5713778", "CSAFPID-5713779", "CSAFPID-5713780", "CSAFPID-5721030", "CSAFPID-5721031", "CSAFPID-5721032", "CSAFPID-5721033", "CSAFPID-5721034", "CSAFPID-5721035", "CSAFPID-5721036", "CSAFPID-5721037", "CSAFPID-5721038", "CSAFPID-5721039", "CSAFPID-5721040", "CSAFPID-5721534", "CSAFPID-5721535", "CSAFPID-5721537", "CSAFPID-5721538", "CSAFPID-5721539", "CSAFPID-5721540", "CSAFPID-5721541", "CSAFPID-5721543", "CSAFPID-5721544", "CSAFPID-5721545", "CSAFPID-5721547", "CSAFPID-5721548", "CSAFPID-5721549", "CSAFPID-5721550", "CSAFPID-5721551", "CSAFPID-5721553", "CSAFPID-5721554", "CSAFPID-5721555", "CSAFPID-5721556", "CSAFPID-5721557", "CSAFPID-5721559", "CSAFPID-5721560", "CSAFPID-5721561", "CSAFPID-5721562", "CSAFPID-5721563", "CSAFPID-5721565", "CSAFPID-5721566", "CSAFPID-5721567", "CSAFPID-5721568", "CSAFPID-5794553", "CSAFPID-5804847" ] } ], "title": "CVE-2026-27727" } ] }