High severityNVD Advisory· Published Jun 9, 2024· Updated Nov 3, 2025
CVE-2024-37568
CVE-2024-37568
Description
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.)
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
authlibPyPI | < 1.3.1 | 1.3.1 |
Affected products
5- ghsa-coords4 versionspkg:pypi/authlibpkg:rpm/opensuse/python-Authlib&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/python-Authlib&distro=openSUSE%20Tumbleweedpkg:rpm/suse/python-Authlib&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Python%203%2015%20SP6
< 1.3.1+ 3 more
- (no CPE)range: < 1.3.1
- (no CPE)range: < 1.3.1-150600.3.3.1
- (no CPE)range: < 1.3.1-1.1
- (no CPE)range: < 1.3.1-150600.3.3.1
Patches
Vulnerability mechanics
References
10- github.com/advisories/GHSA-5357-c2jx-v7qhghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIU/mitrevendor-advisory
- nvd.nist.gov/vuln/detail/CVE-2024-37568ghsaADVISORY
- github.com/lepture/authlib/issues/654ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2024-52.yamlghsaWEB
- lists.debian.org/debian-lts-announce/2025/10/msg00032.htmlghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHJI32SN4FNAUVNALVGOKWHNSQ6XS3M5ghsaWEB
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZI7HYGN7VZAYFV6UV3SRLYF7QGERXIUghsaWEB
- www.vicarius.io/vsociety/posts/algorithm-confusion-in-lepture-authlib-cve-2024-37568ghsaWEB
News mentions
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