{"action":"Upgrade authlib to 1.6.10 or later.","affected":[{"fixed":"1.6.10","introduced":"0"},{"fixed":"1.7.1","introduced":"1.7.0"}],"component":"authlib","cve_ids":["CVE-2026-41479"],"ecosystem":"PyPI","epss":0.00257,"exploited":false,"fixed_versions":["1.6.10","1.7.1"],"ghsa_id":"GHSA-w8p2-r796-3vmq","id":"tcs_01M5KG1TDJTD249FBS98W037RC","modified_at":"2026-07-18T17:30:29.215396840Z","published_at":"2026-06-08T17:52:04Z","references":["https://osv.dev/vulnerability/GHSA-w8p2-r796-3vmq","https://github.com/authlib/authlib/security/advisories/GHSA-w8p2-r796-3vmq","https://nvd.nist.gov/vuln/detail/CVE-2026-41479","https://github.com/authlib/authlib/commit/3be08468201a7766a93012ce149ea12822cab096","https://github.com/authlib/authlib","https://github.com/pypa/advisory-database/tree/main/vulns/authlib/PYSEC-2026-2119.yaml"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-w8p2-r796-3vmq","url":"https://osv.dev/vulnerability/GHSA-w8p2-r796-3vmq"}],"summary":"Authlib OAuth 2.0 has Open Redirect in Authorization API that allows attacker-controlled redirect_uri through unsupported response_type"}