Threats Tagged 'cve-2026-102272'
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Threats Tagged 'cve-2026-102272'
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0 PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, HMACAlgorithm.prepare_key in jwt/algorithms.py is affected because raw-JWK detector does not normalize accepted Unicode byte-order marks before checking for JSON. This occurs when a public JWK is prefixed with a UTF-8 BOM and used in a mixed-algorithm verification path. As a result, public JWK bypasses asymmetric-key detection and becomes the HMAC secret. Consequently, an attacker who knows the public key can forge authenticated tokens. This issue is fixed in version 2.14.0. Join the discussion | CVE Database V5 | 09/28/2026, 20:36:31 UTC Added: 09/28/2026, 20:48:18 UTC |
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