CVE-2025-30144: Fast-JWT Improperly Validates iss Claims

March 19, 2025 (updated March 20, 2025)

The fast-jwt library does not properly validate the iss claim based on the RFC https://datatracker.ietf.org/doc/html/rfc7519#page-9.

References

datatracker.ietf.org/doc/html/rfc7519
github.com/advisories/GHSA-gm45-q3v2-6cf8
github.com/nearform/fast-jwt
github.com/nearform/fast-jwt/commit/cc26b1d473f900446ad846f8f0b10eb1c0adcbdd
github.com/nearform/fast-jwt/security/advisories/GHSA-gm45-q3v2-6cf8
nvd.nist.gov/vuln/detail/CVE-2025-30144

Code Behaviors & Features

Detect and mitigate CVE-2025-30144 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →