{"id":"GHSA-x7qq-23vw-7pfg","summary":"social-auth-core has Login CSRF via Missing State Parameter in LoginRadius Backend","details":"### Impact\n\nThe LoginRadius backend did not validate OAuth state during the authentication flow.\n\nApplications using this backend were vulnerable to login CSRF. An attacker could cause a victim's browser session to complete authentication using an attacker-controlled LoginRadius token, making the victim authenticated as the attacker's LoginRadius identity.\n\nThe issue affects only applications using the LoginRadius backend.\n\n### Patches\n\nThe issue has been fixed by enabling callback state validation for the LoginRadius backend.\n\nUsers should upgrade to a patched version.\n\nFix:\n\n* https://github.com/python-social-auth/social-core/pull/1808\n\n### Workarounds\n\nApplications that cannot upgrade immediately should disable the LoginRadius backend by removing it from `SOCIAL_AUTH_AUTHENTICATION_BACKENDS`.\n\nThere is no complete workaround while continuing to use the vulnerable backend.\n\n### Credits\n\nReported through GitHub private vulnerability reporting by Liyi Zhou, Ziyue Wang, Strick, Maurice, and Chenchen Yu from the University of Sydney security research team.\n\nReporter references:\n\n* https://lzhou1110.github.io/\n* https://zyy0530.github.io/\n* https://str1ckl4nd.github.io/\n* https://maurice.busystar.org/\n* https://7thparkk.github.io/","aliases":["CVE-2026-57177"],"modified":"2026-09-24T20:15:05.891491856Z","published":"2026-09-24T19:56:39Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-09-24T19:56:39Z","nvd_published_at":"2026-09-24T18:17:14Z","cwe_ids":["CWE-352"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/python-social-auth/social-core/security/advisories/GHSA-x7qq-23vw-7pfg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57177"},{"type":"WEB","url":"https://github.com/python-social-auth/social-core/pull/1808"},{"type":"WEB","url":"https://github.com/python-social-auth/social-core/commit/4d332820e6b0583fde522956105a0e2beced5335"},{"type":"PACKAGE","url":"https://github.com/python-social-auth/social-core"},{"type":"WEB","url":"https://github.com/python-social-auth/social-core/releases/tag/5.0.0"}],"affected":[{"package":{"name":"social-auth-core","ecosystem":"PyPI","purl":"pkg:pypi/social-auth-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.0.0"}]}],"versions":["0.0.1","0.1.0","0.2.0","0.2.1","1.0.0","1.0.1","1.1.0","1.2.0","1.3.0","1.4.0","1.5.0","1.6.0","1.7.0","2.0.0","3.0.0","3.1.0","3.2.0","3.3.0","3.3.1","3.3.2","3.3.3","3.4.0","4.0.2","4.0.3","4.1.0","4.2.0","4.3.0","4.4.0","4.4.1","4.4.2","4.5.0","4.5.1","4.5.2","4.5.3","4.5.4","4.5.5","4.5.6","4.6.0","4.6.1","4.7.0","4.8.0","4.8.1","4.8.2","4.8.3","4.8.4","4.8.5","4.8.6","4.8.7","4.9.0","4.9.1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/09/GHSA-x7qq-23vw-7pfg/GHSA-x7qq-23vw-7pfg.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"}]}