fast-jwt accepts unknown `crit` header extensions (RFC 7515 §4.1.11 MUST violation)

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-35042 · Microsoft / collected KEV context

GHSA-hm7r-c7qw-ghp6

cve-program · CVE-2026-35042

• https://github.com/nearform/fast-jwt/security/advisories/GHSA-hm7r-c7qw-ghp6
• https://www.rfc-editor.org/rfc/rfc7515.html#section-4.1.11

nvd · CVE-2026-35042

• https://github.com/nearform/fast-jwt/security/advisories/GHSA-hm7r-c7qw-ghp6
• https://www.rfc-editor.org/rfc/rfc7515.html#section-4.1.11

osv · 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

No related operational record is retained in the current change model.