CVE-2026-41425

Authlib: Cross-site request forging when using cache

Published Apr 24, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starlette_client.OAuth. This vulnerability is fixed in 1.6.11.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4708-1 python-authlib security update
Github GHSA Github GHSA GHSA-jj8c-mmj3-mmgv Authlib: Cross-site request forging when using cache
Ubuntu USN Ubuntu USN USN-8557-1 Authlib vulnerabilities
History
Type Values Removed Values Added
CPEs cpe:2.3:a:authlib:authlib:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Authlib
Authlib authlib
Vendors & Products Authlib
Authlib authlib
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to 1.6.11, there is no CSRF protection on the cache feature in authlib.integrations.starlette_client.OAuth. This vulnerability is fixed in 1.6.11.
Title Authlib: Cross-site request forging when using cache
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 27, 2026, 1:35 PM
Reserved
Apr 20, 2026, 3:32 PM
Status
Analyzed
Published
Apr 24, 2026, 8:16 PM
Modified
Nov 11, 2026, 11:10 PM
Severity
Moderate
Public date
Apr 24, 2026, 7:14 PM