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CVE-2026-89317

JwtVerifierImpl.Verify does not enforce the JWS `crit` header (RFC 7515 §4.1.11) PUBLISHED

Description (CNA)

gose parsed the JWS `crit` header into `JwsHeader.Crit` and then never read it. RFC 7515 §4.1.11 requires a recipient to reject a JWS whose listed critical extension parameters it does not understand. gose implements no header extensions, so every token carrying a non-empty `crit` should have been rejected — and none were.

Affected (CNA)

Vendor / productVersions
Eclipse Foundation / Eclipse KeyPont - GOSEaffected 0.7.3 through 0.13.0-rc1
Eclipse Foundation / Eclipse KeyPont - GOSEaffected 0 before 1.0.0-rc4

CWE

CWE-20, CWE-347, CWE-1288

References