CVE-2026-48523

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{"bugzilla": {"description": "python-pyjwt: PyJWT: Verifier-side algorithm bypass leads to unauthorized information access", "id": "2482743", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482743"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-347", "details": ["A flaw was found in PyJWT, a Python library for handling JSON Web Tokens (JWT). An attacker with control over a registered JSON Web Key (JWK) private key can bypass security checks by signing a token with a forbidden algorithm while claiming to use an allowed one. 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