{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-89317","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","state":"PUBLISHED","assignerShortName":"eclipse","dateReserved":"2026-09-11T13:55:53.128Z","datePublished":"2026-10-23T08:50:22.987Z","dateUpdated":"2026-10-23T08:50:22.987Z"},"containers":{"cna":{"providerMetadata":{"orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","shortName":"eclipse","dateUpdated":"2026-10-23T08:50:22.987Z"},"title":"JwtVerifierImpl.Verify does not enforce the JWS `crit` header (RFC 7515 §4.1.11)","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-20","description":"CWE-20 Improper Input Validation","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","type":"CWE"}]},{"descriptions":[{"lang":"en","cweId":"CWE-1288","description":"CWE-1288 Improper Validation of Consistency within Input","type":"CWE"}]}],"affected":[{"vendor":"Eclipse Foundation","product":"Eclipse KeyPont - GOSE","packageName":"github.com/ThalesGroup/gose","versions":[{"status":"affected","version":"0.7.3","lessThanOrEqual":"0.13.0-rc1","versionType":"semver"}],"defaultStatus":"unaffected"},{"vendor":"Eclipse Foundation","product":"Eclipse KeyPont - GOSE","packageName":"github.com/eclipse-keypont/gose","versions":[{"status":"affected","version":"0","lessThan":"1.0.0-rc4","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a recipient to reject a JWS whose listed critical extension parameters it does not understand. gose implements no header extensions, so every token carrying a non-empty `crit` should have been rejected — and none were.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a recipient to reject a JWS whose listed critical extension parameters it does not understand. gose implements no header extensions, so every token carrying a non-empty `crit` should have been rejected — and none were.</p>"}]}],"references":[{"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-445r-fpvv-hgwc"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.3,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Eclipse Foundation Security Team","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}}}}