MEDIUM 5.9 NVD
CVE-2026-84185
A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the li
A flaw was found in the jwcrypto library, which is used for implementing Javascript Object Signing and Encryption (JOSE) standards. The issue occurs when the library verifies a General JSON Serialization JWS using a set of keys. Due to a coding error, the library fails to correctly identify the specific key ID (kid) and may instead accept a signature made by any valid key in the set. This can allow an attacker with a valid key to bypass authorization checks in applications that rely on the key ID to identify specific tenants or users.
References
- https://access.redhat.com/security/cve/CVE-2026-84185
- https://bugzilla.redhat.com/show_bug.cgi?id=2526729
This medium severity vulnerability with a CVSS score of 5.9 was published on 2026-09-03 via NVD.
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