CVE-2024-37568: Authlib

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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

• Authlib Authlib: before 1.3.1 (fixed in 1.3.1)

Published 2024-06-09. Last modified 2026-06-17.