{"id":"CVE-2026-89316","title":"LoadPublicKey panics on kty/alg mismatch (kty=EC with a non-EC alg) via unchecked *ECDSAOptions type assertion","summary":"`LoadPublicKey` resolved an EC key's curve with an unchecked type assertion, `algToOptsMap[alg].(*ECDSAOptions)`. A JWK declaring `\"kty\":\"EC\"` together with a non-EC `\"alg\"` — which RFC 7517 §4.4 permits — reaches that assertion and **pa…","severity":"medium","cvss":6.3,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-248"],"vendor":"Eclipse Foundation","product":"github.com/ThalesGroup/gose","affected":["github.com/ThalesGroup/gose >= 0.7.3 <= 0.13.0-rc1","github.com/eclipse-keypont/gose < 1.0.0-rc4"],"published":"2026-10-23","updated":"2026-10-23","sourceUpdated":"2026-10-23T08:48:08.682Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89316","references":[{"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-fv39-8484-f4wr"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T09:20:44.059Z","slug":"CVE-2026-89316","body":"## Overview\n\n`LoadPublicKey` resolved an EC key's curve with an unchecked type assertion, `algToOptsMap[alg].(*ECDSAOptions)`. A JWK declaring `\"kty\":\"EC\"` together with a non-EC `\"alg\"` — which RFC 7517 §4.4 permits — reaches that assertion and **panics**.\n\n## Affected\n\n- `github.com/ThalesGroup/gose >= 0.7.3 <= 0.13.0-rc1`\n- `github.com/eclipse-keypont/gose < 1.0.0-rc4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}