{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"6.1.0"}],"component":"fast-jwt","cve_ids":["CVE-2026-35042"],"ecosystem":"npm","epss":0.00155,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-hm7r-c7qw-ghp6","id":"tcs_01M5KFVGFHEYBW88QBVQK0AXHC","modified_at":"2026-04-06T23:49:39.770398Z","published_at":"2026-04-03T22:01:25Z","references":["https://osv.dev/vulnerability/GHSA-hm7r-c7qw-ghp6","https://github.com/nearform/fast-jwt/security/advisories/GHSA-hm7r-c7qw-ghp6","https://nvd.nist.gov/vuln/detail/CVE-2026-35042","https://github.com/advisories/GHSA-9ggr-2464-2j32","https://github.com/nearform/fast-jwt","https://www.rfc-editor.org/rfc/rfc7515.html#section-4.1.11"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-hm7r-c7qw-ghp6","url":"https://osv.dev/vulnerability/GHSA-hm7r-c7qw-ghp6"}],"summary":"fast-jwt accepts unknown `crit` header extensions (RFC 7515 violation)"}