CVE-2025-27371

Medium

Description

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).

SeverityMedium
CVSS6.9
Exploit probability—
ProductRFC 7523
PublishedMar 3, 2025
First seenMar 3, 2025
Weakness typeCWE-305CWE-305

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
IETF RFC 75237523—

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CVE-2025-27371 · RFC 7523 · Dark Radar