{"id":"CVE-2026-89317","published":"2026-10-23T09:17:08.260","lastModified":"2026-10-23T19:30:07.567","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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-20","CWE-347","CWE-1288"],"vendors":[],"products":[],"references":[{"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-445r-fpvv-hgwc","tags":[]}],"exploitRefs":[{"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-445r-fpvv-hgwc","tags":[]}],"hasPoc":true,"ai":null}