{ "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-2026-91484", "tracking": { "current_release_date": "2026-10-22T12:06:35.060473Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-91484", "initial_release_date": "2026-10-20T22:45:39.219647Z", "revision_history": [ { "date": "2026-10-20T22:45:39.219647Z", "number": "1", "summary": "CVSS created.| Products created (3).| References created (1).| Description created for source.| Unknown change.| Product Identifiers created (2)." }, { "date": "2026-10-20T22:45:56.424374Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-10-20T23:27:17.478865Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1)." }, { "date": "2026-10-20T23:27:19.615762Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-10-21T00:35:21.683009Z", "number": "5", "summary": "Source connected.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (2).| Product Remediations created (2).| References created (2)." }, { "date": "2026-10-21T00:35:23.173083Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-10-21T16:16:14.454419Z", "number": "7", "summary": "EPSS created.| Unknown change." }, { "date": "2026-10-21T16:17:34.058146Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-10-21T16:23:36.061507Z", "number": "9", "summary": "Source connected.| CVE status created. (valid)| Products connected (14).| References created (3)." }, { "date": "2026-10-21T16:23:42.578416Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-10-22T00:47:48.325284Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source." }, { "date": "2026-10-22T12:05:51.793342Z", "number": "12", "summary": "Source connected.| CVE status created. (valid)" }, { "date": "2026-10-22T12:06:01.263403Z", "number": "13", "summary": "NCSC Score updated." } ], "status": "interim", "version": "13" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/17.0.20.1", "product": { "name": "vers:unknown/17.0.20.1", "product_id": "CSAFPID-9794298", "product_identification_helper": { "cpe": "cpe:/a:oracle:graalvm:17.0.20.1" } } }, { "category": "product_version_range", "name": "vers:unknown/21.0.12.1", "product": { "name": "vers:unknown/21.0.12.1", "product_id": "CSAFPID-9794302", "product_identification_helper": { "cpe": "cpe:/a:oracle:graalvm:21.0.12.1" } } }, { "category": "product_version_range", "name": "vers:unknown/21.3.19.1.1", "product": { "name": "vers:unknown/21.3.19.1.1", "product_id": "CSAFPID-9794300", "product_identification_helper": { "cpe": "cpe:/a:oracle:graalvm:21.3.19.1.1" } } } ], "category": "product_name", "name": "GraalVM" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/11.0.32.1", "product": { "name": "vers:unknown/11.0.32.1", "product_id": "CSAFPID-9794303", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:11.0.32.1" } } }, { "category": "product_version_range", "name": "vers:unknown/17.0.20.1", "product": { "name": "vers:unknown/17.0.20.1", "product_id": "CSAFPID-9794304", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:17.0.20.1" } } }, { "category": "product_version_range", "name": "vers:unknown/21.0.12.1", "product": { "name": "vers:unknown/21.0.12.1", "product_id": "CSAFPID-9794305", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:21.0.12.1" } } }, { "category": "product_version_range", "name": "vers:unknown/25.0.4.1", "product": { "name": "vers:unknown/25.0.4.1", "product_id": "CSAFPID-9794306", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:25.0.4.1" } } }, { "category": "product_version_range", "name": "vers:unknown/26.0.2", "product": { "name": "vers:unknown/26.0.2", "product_id": "CSAFPID-9010894", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:26.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/27", "product": { "name": "vers:unknown/27", "product_id": "CSAFPID-9794297", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:27" } } }, { "category": "product_version_range", "name": "vers:unknown/8u503", "product": { "name": "vers:unknown/8u503", "product_id": "CSAFPID-9794299", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:8u503" } } }, { "category": "product_version_range", "name": "vers:unknown/8u503-perf", "product": { "name": "vers:unknown/8u503-perf", "product_id": "CSAFPID-9794301", "product_identification_helper": { "cpe": "cpe:/a:oracle:java_se:8u503-perf" } } } ], "category": "product_name", "name": "Java Se" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/21.0.12", "product": { "name": "vers:unknown/21.0.12", "product_id": "CSAFPID-9794294", "product_identification_helper": { "cpe": "cpe:/a:oracle:javafx:21.0.12" } } }, { "category": "product_version_range", "name": "vers:unknown/25.0.4", "product": { "name": "vers:unknown/25.0.4", "product_id": "CSAFPID-9794295", "product_identification_helper": { "cpe": "cpe:/a:oracle:javafx:25.0.4" } } }, { "category": "product_version_range", "name": "vers:unknown/27", "product": { "name": "vers:unknown/27", "product_id": "CSAFPID-9794296", "product_identification_helper": { "cpe": "cpe:/a:oracle:javafx:27" } } } ], "category": "product_name", "name": "JavaFX" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:oracle/8u503", "product": { "name": "vers:oracle/8u503", "product_id": "CSAFPID-9763636", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:oracle/8u503-perf", "product": { "name": "vers:oracle/8u503-perf", "product_id": "CSAFPID-9763693", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:java_se:8u503:*:*:*:enterprise_performance:*:*:*" } } } ], "category": "product_name", "name": "Oracle Java SE" } ], "category": "product_family", "name": "Oracle Java SE" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/8u503", "product": { "name": "vers:unknown/8u503", "product_id": "CSAFPID-9758402" } }, { "category": "product_version_range", "name": "vers:unknown/8u503-perf", "product": { "name": "vers:unknown/8u503-perf", "product_id": "CSAFPID-9758403" } } ], "category": "product_name", "name": "Oracle Java SE" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/8u503", "product": { "name": "vers:unknown/8u503", "product_id": "CSAFPID-9758412", "product_identification_helper": { "cpe": "cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "java_se" } ], "category": "vendor", "name": "Oracle" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-91484", "notes": [ { "category": "description", "text": "Vulnerability in Oracle Java SE (component: Java plugin). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE executes to compromise Oracle Java SE. While the vulnerability is in Oracle Java SE, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-91484" }, { "category": "description", "text": "Vulnerability in Oracle Java SE (component: Java plugin). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE executes to compromise Oracle Java SE. While the vulnerability is in Oracle Java SE, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-91484" }, { "category": "description", "text": "Vulnerability in Oracle Java SE (component: Java plugin). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE executes to compromise Oracle Java SE. While the vulnerability is in Oracle Java SE, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).", "title": "oracle - https://www.oracle.com/a/tech/docs/security-alerts/cpuoct2026csaf.json" }, { "category": "description", "text": "Vulnerability in Oracle Java SE (component: Java plugin). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE executes to compromise Oracle Java SE. While the vulnerability is in Oracle Java SE, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data as well as unauthorized access to critical data or complete access to all Oracle Java SE accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 7.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N).", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-91484" }, { "category": "other", "text": "0.0012", "title": "EPSS" }, { "category": "other", "text": "5.7", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde, There is product data available from source Oracle, VENDOR FIX as product remediation category", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "The value of the most recent EPSS score, Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-9758402", "CSAFPID-9758403", "CSAFPID-9758412", "CSAFPID-9763636", "CSAFPID-9763693", "CSAFPID-9010894", "CSAFPID-9794294", "CSAFPID-9794295", "CSAFPID-9794296", "CSAFPID-9794297", "CSAFPID-9794298", "CSAFPID-9794299", "CSAFPID-9794300", "CSAFPID-9794301", "CSAFPID-9794302", "CSAFPID-9794303", "CSAFPID-9794304", "CSAFPID-9794305", "CSAFPID-9794306" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-91484" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-91484" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-91484" }, { "category": "external", "summary": "Source - oracle", "url": "https://www.oracle.com/a/tech/docs/security-alerts/cpuoct2026csaf.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4079.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-91484" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0449" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; oracle", "url": "https://www.oracle.com/security-alerts/cpuoct2026.html" }, { "category": "external", "summary": "Reference - oracle", "url": "https://www.oracle.com/docs/tech/security-alerts/cpuoct2026csaf.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-4079.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-4079" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://www.oracle.com/security-alerts/cpuoct2026.html#AppendixJAVA" } ], "remediations": [ { "category": "vendor_fix", "details": "Oracle customers with valid support contracts", "product_ids": [ "CSAFPID-9763636", "CSAFPID-9763693" ], "url": "https://support.oracle.com/support/?documentId=CPU388" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N", "baseScore": 7.5, "baseSeverity": "HIGH" }, "products": [ "CSAFPID-9010894", "CSAFPID-9758402", "CSAFPID-9758403", "CSAFPID-9758412", "CSAFPID-9763636", "CSAFPID-9763693", "CSAFPID-9794294", "CSAFPID-9794295", "CSAFPID-9794296", "CSAFPID-9794297", "CSAFPID-9794298", "CSAFPID-9794299", "CSAFPID-9794300", "CSAFPID-9794301", "CSAFPID-9794302", "CSAFPID-9794303", "CSAFPID-9794304", "CSAFPID-9794305", "CSAFPID-9794306" ] } ], "title": "CVE-2026-91484" } ] }