{"id":"CVE-2026-12796","aliases":["EUVD-2026-38155","GHSA-w2mh-qq9q-453x","PYSEC-2026-4076"],"status":"published","title":"BerriAI litellm SSO Authentication Flow ui_sso.py get_redirect_response_from_openid session expiration","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0057,"percentile":0.475,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-613"],"published":"2026-06-21T09:00:09Z","modified":"2026-10-28T02:31:04Z","affected":[{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.82.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.82.2"}]}],"versions":["0.1.0","0.1.1","0.1.2","0.1.201","0.1.202","0.1.203","0.1.204","0.1.205","0.1.206","0.1.207","0.1.208","0.1.209","0.1.210","0.1.211","0.1.212","0.1.213","0.1.214","0.1.215","0.1.216","0.1.217","0.1.218","0.1.219","0.1.220","0.1.221","0.1.222","0.1.223","0.1.224","0.1.225","0.1.226","0.1.227","0.1.228","0.1.229","0.1.2291","0.1.230","0.1.231","0.1.232","0.1.233","0.1.234","0.1.235","0.1.236","0.1.237","0.1.238","0.1.3","0.1.31","0.1.32","0.1.330","0.1.331","0.1.34","0.1.341","0.1.343","0.1.345","0.1.347","0.1.348","0.1.349","0.1.351","0.1.352","0.1.353","0.1.354","0.1.356","0.1.360","0.1.361","0.1.362","0.1.363","0.1.364","0.1.365","0.1.366","0.1.367","0.1.368","0.1.369","0.1.370","0.1.371","0.1.372","0.1.373","0.1.375","0.1.376","0.1.379","0.1.380","0.1.381","0.1.383","0.1.384","0.1.385","0.1.386","0.1.387","0.1.388","0.1.389","0.1.392","0.1.393","0.1.394","0.1.398","0.1.399","0.1.400","0.1.401","0.1.402","0.1.403","0.1.404","0.1.405","0.1.410","0.1.411","0.1.412","0.1.415","0.1.419","0.1.420","0.1.421","0.1.422","0.1.424","0.1.425","0.1.426","0.1.429","0.1.433","0.1.434","0.1.435","0.1.436","0.1.437","0.1.438","0.1.439","0.1.440","0.1.441","0.1.442","0.1.443","0.1.444","0.1.445","0.1.446","0.1.447","0.1.448","0.1.449","0.1.450","0.1.451","0.1.452","0.1.456","0.1.457","0.1.459","0.1.460","0.1.461","0.1.464","0.1.465","0.1.475","0.1.477","0.1.479","0.1.480","0.1.481","0.1.482","0.1.486","0.1.487","0.1.488","0.1.490","0.1.491","0.1.492","0.1.493","0.1.494","0.1.495","0.1.497","0.1.500","0.1.501","0.1.504","0.1.507","0.1.508","0.1.509","0.1.510","0.1.511","0.1.512","0.1.516","0.1.517","0.1.518","0.1.520","0.1.525","0.1.530","0.1.531","0.1.533","0.1.535","0.1.536","0.1.537","0.1.538","0.1.544","0.1.546","0.1.547","0.1.548","0.1.549","0.1.550","0.1.551","0.1.552","0.1.553","0.1.554","0.1.555","0.1.556","0.1.557","0.1.558","0.1.559","0.1.560","0.1.561","0.1.562","0.1.563","0.1.567","0.1.568","0.1.569","0.1.570","0.1.574","0.1.578","0.1.580","0.1.582","0.1.583","0.1.585","0.1.586","0.1.587","0.1.590","0.1.591","0.1.593","0.1.595","0.1.596","0.1.597","0.1.598","0.1.600","0.1.601","0.1.604","0.1.605","0.1.607","0.1.609","0.1.610","0.1.615","0.1.618","0.1.619","0.1.620","0.1.621","0.1.623","0.1.624","0.1.625","0.1.626","0.1.629","0.1.630","0.1.631","0.1.632","0.1.634","0.1.635","0.1.636","0.1.638","0.1.639","0.1.641","0.1.642","0.1.643","0.1.644","0.1.645","0.1.646","0.1.647","0.1.648","0.1.649","0.1.650","0.1.651","0.1.652","0.1.674","0.1.680","0.1.681","0.1.683","0.1.685","0.1.686","0.1.687","0.1.689","0.1.690","0.1.692","0.1.693","0.1.696","0.1.697","0.1.698","0.1.700","0.1.700.dev0","0.1.700.dev1","0.1.700.dev2","0.1.700.dev3","0.1.700.dev4","0.1.700.dev5","0.1.702","0.1.704","0.1.706","0.1.714","0.1.714.dev1","0.1.715","0.1.716","0.1.719","0.1.720","0.1.721","0.1.723","0.1.724","0.1.729","0.1.736","0.1.738","0.1.743","0.1.745","0.1.746","0.1.747","0.1.748","0.1.749","0.1.750","0.1.751","0.1.758","0.1.765","0.1.769","0.1.7701","0.1.7713","0.1.772","0.1.774","0.1.780","0.1.781","0.1.784","0.1.786","0.1.788","0.1.789","0.1.793","0.1.794","0.1.805","0.1.806","0.1.807","0.1.813","0.1.814","0.1.815","0.1.816","0.1.817","0.1.818","0.1.819","0.1.820","0.1.821","0.1.824","0.10.0","0.10.1","0.11.1","0.12.10","0.12.11","0.12.12","0.12.4","0.12.4.dev1","0.12.4.dev2","0.12.5","0.12.5.dev1","0.12.7","0.12.7.dev1","0.12.8","0.12.9","0.13.0","0.13.1","0.13.1.dev1","0.13.1.dev2","0.13.1.dev3","0.13.2","0.13.2.dev1","0.13.3.dev1","0.13.3.dev2","0.13.6.dev1","0.13.6.dev2","0.13.6.dev3","0.13.7.dev1","0.14.0","0.14.0.dev1","0.14.1","0.2.5","0.2.6","0.3.0","0.3.1","0.4.0","0.4.4","0.5.2","0.5.3","0.5.4","0.5.6","0.6.0","0.6.1","0.6.2","0.6.6","0.7.1","0.7.1.dev1","0.7.1.dev2","0.7.1.dev3","0.7.10","0.7.3","0.7.4","0.7.5","0.7.9","0.8.0","0.8.1","0.8.2","0.8.3","0.8.4","0.8.5","0.8.6","0.9.0","0.9.1","0.9.2","0.9.2.dev1","1.0.0","1.0.0.dev1","1.0.3","1.0.3.dev1","1.1.0","1.1.1","1.1.2","1.1.3","1.10.0","1.10.1","1.10.10","1.10.11","1.10.2","1.10.3","1.10.4","1.10.6","1.10.8","1.10.9","1.10.dev11","1.11.0","1.11.1","1.12.0","1.12.1","1.12.2","1.12.3","1.12.5","1.12.5.dev1","1.12.6.dev1","1.12.6.dev2","1.12.6.dev3","1.12.6.dev4","1.12.6.dev5","1.13.2","1.14.0","1.14.0.dev1","1.14.1","1.14.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Party Advisory","VDB Entry","advisory","web"]},{"url":"https://vuldb.com/vuln/372558/cti","tags":["signature","permissions-required","Permissions Required","VDB Entry","report","web"]},{"url":"https://vuldb.com/cve/CVE-2026-12796","tags":["third-party-advisory","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://vuldb.com/submit/811287","tags":["third-party-advisory","Third Party Advisory","Exploit","VDB Entry","advisory","web"]},{"url":"https://gist.github.com/YLChen-007/5fa8af12e1b183674d7ca96d852fb697","tags":["exploit","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12796","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-w2mh-qq9q-453x","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/12xxx/CVE-2026-12796.json","tags":["advisory"]},{"url":"https://github.com/BerriAI/litellm","tags":["package"]},{"url":"https://pypi.org/project/litellm","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-12796","title":"BerriAI litellm SSO Authentication Flow ui_sso.py get_redirect_response_from_openid session expiration","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-06-21T09:00:09.028Z","modified":"2026-06-22T18:12:18.953Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium","assessor":"cna"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","level":"medium","assessor":"cna"},{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","level":"medium","assessor":"cna"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","assessor":"cna"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:19:48.461833Z"}],"euvd":[{"id":"EUVD-2026-38155","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-06-21T09:00:09Z","modified":"2026-06-22T18:12:18Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"medium"}],"updated_at":"2026-11-02T18:20:34.238696Z"}],"ghsa":[{"id":"GHSA-w2mh-qq9q-453x","title":"BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-06-21T12:30:52Z","modified":"2026-09-14T17:19:21Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:41:17.136201Z"}],"nvd":[{"id":"CVE-2026-12796","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-06-21T10:16:15.22Z","modified":"2026-10-25T23:10:00.167Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:12:24.912854Z"}],"osv":[{"id":"CVE-2026-12796","title":"BerriAI litellm SSO Authentication Flow ui_sso.py get_redirect_response_from_openid session expiration","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-06-21T09:00:09.028Z","modified":"2026-10-28T02:31:04.143257085Z","cvss":[{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T15:44:57.354194Z"},{"id":"GHSA-w2mh-qq9q-453x","title":"BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-06-21T12:30:52Z","modified":"2026-10-01T17:56:17.548563078Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T15:46:58.04805Z"},{"id":"PYSEC-2026-4076","title":"BerriAI litellm: SSO Login Does Not Invalidate Previous UI Session Tokens","description":"A vulnerability was identified in BerriAI litellm up to 1.82.2. This impacts the function get_redirect_response_from_openid of the file litellm/proxy/management_endpoints/ui_sso.py of the component SSO Authentication Flow. The manipulation leads to session expiration. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.","status":"published","published":"2026-10-01T16:38:28.153399Z","modified":"2026-10-01T17:45:11.005923242Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"},{"version":"4.0","score":2.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"updated_at":"2026-11-02T15:52:57.255153Z"}]}}