Junglewise Threat Intelligence

CVE-2024-37568: PYSEC-2024-52 - lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMA

CVE-2024-37568 · Severity: low · CVSS 3.1 · Published 2024-06-09

Technologies: authlib (PyPI). Vendors: PyPI.

Executive brief

lepture Authlib before 1.3.1 has algorithm confusion with asymmetric public keys. Unless an algorithm is specified in a jwt.decode call, HMAC verification is allowed with any asymmetric public key. (This is similar to CVE-2022-29217 and CVE-2024-33663.)

Affected products

  • PyPI authlib

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