IETF RFC 7523 vulnerabilities

1 vulnerability

Known vulnerabilities in IETF RFC 7523, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

6.9CVE-2025-27371ietfrfc 7523
EPSS score
0.35%
In certain IETF OAuth 2.0-related specifications, when the JSON Web Token Profile for OAuth 2.0 Client Authentication mechanism is used, there are ambiguities in the audience values of JWTs sent to authorization servers. The affected RFCs may include RFC 7523, and also RFC 7521, RFC 7522, RFC 9101 (JAR), and RFC 9126 (PAR).