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CVE-2024-37568

Authlib has algorithm confusion with asymmetric public keys

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.)

Patch Available

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Fix without upgrading
Vulnerability Details
Score
7.4
Score Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected Versions
authlib < 1.3.1
Severity
High
Ecosystem
Python
Publish Date
June 9, 2024
Modified Date
August 15, 2024