{"id":"CVE-2026-89314","summary":"Quadratic-time key_ops duplicate check lets a sub-1 MB JWKS body pin a CPU core for ~15 s","details":"`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.","aliases":["GHSA-r56w-f43c-828p"],"modified":"2026-11-04T02:30:57.252402417Z","published":"2026-10-23T08:43:38.475Z","database_specific":{"cwe_ids":["CWE-407"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89314.json","cna_assigner":"eclipse"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89314.json"},{"type":"ADVISORY","url":"https://github.com/eclipse-keypont/gose/security/advisories/GHSA-r56w-f43c-828p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89314"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eclipse-keypont/gose","events":[{"introduced":"5e7aba5b0fab2fedfac84d7ea04d8cabc92ec625"},{"last_affected":"bc195a14438f6607e266d8a12e529260272b060b"},{"introduced":"0"},{"fixed":"692c25c38e72e91a146c00598017e1a869e75ef6"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"0.7.3"},{"last_affected":"0.13.0-rc1"}],"source":"AFFECTED_FIELD"},{"strategy":"StandardRange","range":[{"introduced":"0"},{"fixed":"1.0.0-rc4"}],"source":"AFFECTED_FIELD"}]}}],"versions":["v0.12.1-rc1","v0.12.0","v0.13.0-rc1","v0.10.0","v0.9.1","v0.9.0","v0.8.7","v0.8.6","v0.8.5","v0.8.4","v0.8.3","v0.8.2","v0.8.1","v0.8.0","v0.7.8","v0.7.7","v0.7.6","v0.7.5","v0.7.4","v0.7.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89314.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"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"}]}