{ "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-2026-40453", "tracking": { "current_release_date": "2026-04-29T08:13:37.115018Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-40453", "initial_release_date": "2026-04-27T07:35:18.940147Z", "revision_history": [ { "date": "2026-04-27T07:35:18.940147Z", "number": "1", "summary": "NCSC Score created." }, { "date": "2026-04-27T09:36:15.679337Z", "number": "2", "summary": "Source created.| CVE status created. (valid)| Description created for source.| References created (1).| CWES updated (1)." }, { "date": "2026-04-27T09:36:19.558025Z", "number": "3", "summary": "NCSC Score updated." }, { "date": "2026-04-27T09:38:48.552721Z", "number": "4", "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products created (9).| References created (1).| CWES updated (1)." }, { "date": "2026-04-27T11:19:27.514755Z", "number": "5", "summary": "Source connected.| CVE status created. (valid)| Products connected (4).| References created (10)." }, { "date": "2026-04-27T11:19:31.397136Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-04-27T15:07:58.248285Z", "number": "7", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-04-27T15:40:53.330016Z", "number": "8", "summary": "CVSS created.| Unknown change." }, { "date": "2026-04-27T15:40:59.240932Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-04-27T16:37:54.770143Z", "number": "10", "summary": "CVSS created." }, { "date": "2026-04-27T16:37:59.035970Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-04-28T15:08:47.390005Z", "number": "12", "summary": "EPSS updated." }, { "date": "2026-04-28T15:08:51.398762Z", "number": "13", "summary": "NCSC Score updated." }, { "date": "2026-04-28T22:13:08.132612Z", "number": "14", "summary": "Products connected (3).| Product Identifiers created (3)." }, { "date": "2026-04-28T22:13:10.987705Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-04-29T08:13:28.790177Z", "number": "16", "summary": "Source connected.| CVE status created. (valid)" } ], "status": "interim", "version": "16" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/3.0.0|<4.14.6", "product": { "name": "vers:semver/3.0.0|<4.14.6", "product_id": "CSAFPID-6244516" } }, { "category": "product_version_range", "name": "vers:semver/4.15.0|<4.18.2", "product": { "name": "vers:semver/4.15.0|<4.18.2", "product_id": "CSAFPID-6244517" } }, { "category": "product_version_range", "name": "vers:semver/4.19.0|<4.20.0", "product": { "name": "vers:semver/4.19.0|<4.20.0", "product_id": "CSAFPID-6244518" } } ], "category": "product_name", "name": "Apache Camel CoAP" }, { "branches": [ { "category": "product_version_range", "name": "vers:semver/3.0.0|<4.14.6", "product": { "name": "vers:semver/3.0.0|<4.14.6", "product_id": "CSAFPID-6244519" } }, { "category": "product_version_range", "name": "vers:semver/4.15.0|<4.18.2", "product": { "name": "vers:semver/4.15.0|<4.18.2", "product_id": "CSAFPID-6244520" } }, { "category": "product_version_range", "name": "vers:semver/4.19.0|<4.20.0", "product": { "name": "vers:semver/4.19.0|<4.20.0", "product_id": "CSAFPID-6244521" } } ], "category": "product_name", "name": "Apache Camel Google PubSub" }, { "branches": [ { "category": "product_version_range", "name": "vers:semver/3.0.0|<4.14.6", "product": { "name": "vers:semver/3.0.0|<4.14.6", "product_id": "CSAFPID-6244513" } }, { "category": "product_version_range", "name": "vers:semver/4.15.0|<4.18.2", "product": { "name": "vers:semver/4.15.0|<4.18.2", "product_id": "CSAFPID-6244514" } }, { "category": "product_version_range", "name": "vers:semver/4.19.0|<4.20.0", "product": { "name": "vers:semver/4.19.0|<4.20.0", "product_id": "CSAFPID-6244515" } } ], "category": "product_name", "name": "Apache Camel JMS" } ], "category": "vendor", "name": "Apache Software Foundation" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/4.19.0", "product": { "name": "vers:unknown/4.19.0", "product_id": "CSAFPID-6252314", "product_identification_helper": { "cpe": "cpe:2.3:a:apache:camel:4.19.0:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/<4.14.6", "product": { "name": "vers:unknown/<4.14.6", "product_id": "CSAFPID-6244702" } }, { "category": "product_version_range", "name": "vers:unknown/<4.18.1", "product": { "name": "vers:unknown/<4.18.1", "product_id": "CSAFPID-6244701" } }, { "category": "product_version_range", "name": "vers:unknown/<4.18.2", "product": { "name": "vers:unknown/<4.18.2", "product_id": "CSAFPID-6244703" } }, { "category": "product_version_range", "name": "vers:unknown/<4.20.0", "product": { "name": "vers:unknown/<4.20.0", "product_id": "CSAFPID-6244704" } }, { "category": "product_version_range", "name": "vers:unknown/>=3.0.0|<4.14.6", "product": { "name": "vers:unknown/>=3.0.0|<4.14.6", "product_id": "CSAFPID-6252315", "product_identification_helper": { "cpe": "cpe:2.3:a:apache:camel:*:*:*:*:*:*:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=4.15.0|<4.18.2", "product": { "name": "vers:unknown/>=4.15.0|<4.18.2", "product_id": "CSAFPID-6252318", "product_identification_helper": { "cpe": "cpe:2.3:a:apache:camel:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "Camel" } ], "category": "vendor", "name": "Apache" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-40453", "cwe": { "id": "CWE-178", "name": "Improper Handling of Case Sensitivity" }, "notes": [ { "category": "description", "text": "The fix for CVE-2025-27636 added setLowerCase(true) to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCase(true) call was not applied to five non-HTTP HeaderFilterStrategy implementations: JmsHeaderFilterStrategy and ClassicJmsHeaderFilterStrategy in camel-jms, SjmsHeaderFilterStrategy in camel-sjms, CoAPHeaderFilterStrategy in camel-coap, and GooglePubsubHeaderFilterStrategy in camel-google-pubsub. Because those strategies use case-sensitive String.startsWith('Camel'/'camel') filtering while the Camel Exchange stores headers in a case-insensitive map, an attacker with JMS (or equivalent) producer access to the broker consumed by a Camel route can inject case-variant Camel internal headers, which are then resolved by downstream components such as camel-exec and camel-file using their canonical casing. This enables remote code execution and arbitrary file write on routes that forward JMS messages to header-driven components.\n\nThis issue affects Apache Camel: from 3.0.0 before 4.14.6, from 4.15.0 before 4.18.2, from 4.19.0 before 4.20.0.\n\nUsers are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.2.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-40453" }, { "category": "description", "text": "The fix for CVE-2025-27636 added setLowerCase(true) to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCase(true) call was not applied to five non-HTTP HeaderFilterStrategy implementations: JmsHeaderFilterStrategy and ClassicJmsHeaderFilterStrategy in camel-jms, SjmsHeaderFilterStrategy in camel-sjms, CoAPHeaderFilterStrategy in camel-coap, and GooglePubsubHeaderFilterStrategy in camel-google-pubsub. Because those strategies use case-sensitive String.startsWith('Camel'/'camel') filtering while the Camel Exchange stores headers in a case-insensitive map, an attacker with JMS (or equivalent) producer access to the broker consumed by a Camel route can inject case-variant Camel internal headers, which are then resolved by downstream components such as camel-exec and camel-file using their canonical casing. This enables remote code execution and arbitrary file write on routes that forward JMS messages to header-driven components.\n\nThis issue affects Apache Camel: from 3.0.0 before 4.14.6, from 4.15.0 before 4.18.2, from 4.19.0 before 4.20.0.\n\nUsers are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, then they are suggested to upgrade to 4.14.6. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.2.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/40xxx/CVE-2026-40453.json" }, { "category": "other", "text": "0.00208", "title": "EPSS" }, { "category": "other", "text": "5.5", "title": "NCSC Score" }, { "category": "other", "text": "There is product data available from source Certbundde", "title": "NCSC Score top increasing factors" }, { "category": "other", "text": "Is related to a product by vendor Apache, Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-6244513", "CSAFPID-6244514", "CSAFPID-6244515", "CSAFPID-6244516", "CSAFPID-6244517", "CSAFPID-6244518", "CSAFPID-6244519", "CSAFPID-6244520", "CSAFPID-6244521", "CSAFPID-6244701", "CSAFPID-6244702", "CSAFPID-6244703", "CSAFPID-6244704", "CSAFPID-6252314", "CSAFPID-6252315", "CSAFPID-6252318" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-40453" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/40xxx/CVE-2026-40453.json" }, { "category": "external", "summary": "Source - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1271.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - ncscclear", "url": "https://advisories.ncsc.nl/advisory?id=NCSC-2026-0129" }, { "category": "external", "summary": "Reference - certbundde; cveprojectv5; nvd", "url": "https://camel.apache.org/security/CVE-2026-40453.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1271.json" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1271" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-27172.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-33454.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-40022.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-40048.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-40473.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-40858.html" }, { "category": "external", "summary": "Reference - certbundde", "url": "https://camel.apache.org/security/CVE-2026-40860.html" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL" }, "products": [ "CSAFPID-6244513", "CSAFPID-6244514", "CSAFPID-6244515", "CSAFPID-6244516", "CSAFPID-6244517", "CSAFPID-6244518", "CSAFPID-6244519", "CSAFPID-6244520", "CSAFPID-6244521", "CSAFPID-6244701", "CSAFPID-6244702", "CSAFPID-6244703", "CSAFPID-6244704", "CSAFPID-6252314", "CSAFPID-6252315", "CSAFPID-6252318" ] } ], "title": "CVE-2026-40453" } ] }