{"affected":[{"defaultStatus":"unaffected","packageName":"github.com/ThalesGroup/gose","product":"Eclipse KeyPont - GOSE","source":"CNA: eclipse","vendor":"Eclipse Foundation","versions":[{"lessThanOrEqual":"0.13.0-rc1","status":"affected","version":"0.7.3","versionType":"semver"}]},{"defaultStatus":"unaffected","packageName":"github.com/eclipse-keypont/gose","product":"Eclipse KeyPont - GOSE","source":"CNA: eclipse","vendor":"Eclipse Foundation","versions":[{"lessThan":"1.0.0-rc4","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-89317","cwes":["CWE-20","CWE-347","CWE-1288"],"description":"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.","epss":{"date":"2026-11-01","percentile":0.03896,"score":0.00147},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-445r-fpvv-hgwc"}],"kev":null,"metrics":[{"score":6.3,"severity":"medium","source":"CNA: eclipse","vector":"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","version":"4.0"}],"modifiedAt":1793625449417,"publishedAt":1792745422987,"references":[{"source":"CNA: eclipse","tags":[],"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-445r-fpvv-hgwc"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-445r-fpvv-hgwc"}],"remediation":[],"revision":"dfe94c656aea437db88e67bb642f1d781e1be612c1f516058c797342f78689a5","sources":[{"modifiedAt":1793625449417,"name":"CNA: eclipse","retrievedAt":1793628554318,"url":"https://www.cve.org/CVERecord?id=CVE-2026-89317"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793628557589,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-89317"}],"ssvc":{"assessedAt":1793625420755,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"JwtVerifierImpl.Verify does not enforce the JWS `crit` header (RFC 7515 §4.1.11)","updatedAt":1793628557589}