{"id":"UBUNTU-CVE-2026-41425","details":"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.","modified":"2026-07-17T01:21:51.555117449Z","published":"2026-04-24T20:16:00Z","related":["USN-8557-1"],"upstream":["CVE-2026-41425"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41425"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-41425"},{"type":"REPORT","url":"https://github.com/authlib/authlib/security/advisories/GHSA-jj8c-mmj3-mmgv"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8557-1"}],"affected":[{"package":{"name":"python-authlib","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/python-authlib?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0-1ubuntu0.1~esm2"}]}],"versions":["1.2.1-1","1.3.0-1","1.3.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-authlib","binary_version":"1.3.0-1ubuntu0.1~esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41425.json"}},{"package":{"name":"python-authlib","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/python-authlib?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.5.1-1","1.5.2-1","1.6.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-authlib","binary_version":"1.6.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41425.json"}},{"package":{"name":"python-authlib","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/python-authlib?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.7-1ubuntu0.1~esm1"}]}],"versions":["1.6.0-1","1.6.5-1","1.6.6-1","1.6.7-1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-authlib","binary_version":"1.6.7-1ubuntu0.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-41425.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}