{"action":"Upgrade fast-jwt to 6.3.0 or later.","affected":[{"fixed":"6.3.0","introduced":"0"}],"component":"fast-jwt","cve_ids":["CVE-2026-107721"],"ecosystem":"npm","epss":0.00341,"exploited":false,"fixed_versions":["6.3.0"],"ghsa_id":"GHSA-687g-22h4-j4w4","id":"tcs_01M5KF67MXSB9006Q079WRQMPG","modified_at":"2026-10-08T22:15:05.893519907Z","published_at":"2026-10-08T22:02:02Z","references":["https://osv.dev/vulnerability/GHSA-687g-22h4-j4w4","https://github.com/nearform/fast-jwt/security/advisories/GHSA-687g-22h4-j4w4","https://github.com/nearform/fast-jwt/commit/c0fb5b88b4c88ff2bdd194ca2c713599ad9e38b6","https://github.com/nearform/fast-jwt","https://github.com/nearform/fast-jwt/releases/tag/v6.3.0"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-687g-22h4-j4w4","url":"https://osv.dev/vulnerability/GHSA-687g-22h4-j4w4"}],"summary":"fast-jwt clockTolerance: Infinity silently bypasses both exp and nbf validation (and persists in the verifier cache)"}