{"id":"CVE-2026-89314","title":"Quadratic-time key_ops duplicate check lets a sub-1 MB JWKS body pin a CPU core for ~15 s","summary":"`jwkFields.CheckConsistency` detected duplicate `key_ops` entries with a pairwise nested loop, making validation cost grow with the **square** of the entry count. Because the check runs on every JWK and JWKS unmarshal, a modestly sized b…","severity":"medium","cvss":6.9,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-407"],"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":"2026-10-23T08:43:38.475Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89314","references":[{"url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-r56w-f43c-828p"}],"tags":["cve.org"],"ingestedAt":"2026-10-23T09:20:44.060Z","slug":"CVE-2026-89314","body":"## Overview\n\n`jwkFields.CheckConsistency` detected duplicate `key_ops` entries with a pairwise nested loop, making validation cost grow with the **square** of the entry count. Because the check runs on every JWK and JWKS unmarshal, a modestly sized but hostile JWKS document could occupy a CPU core for many seconds.\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":38,"depthScoreParts":{"impact":38,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}