{"id":"CVE-2026-84377","aliases":["EUVD-2026-70236","GHSA-3cv6-jpf6-8222","PYSEC-2026-4066","openSUSE-SU-2026:11800-1"],"status":"published","title":"LiteLLM: Authenticated SSRF and provider-credential exfiltration via unvalidated request-body routing parameters","description":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to versions 1.88.6 and 1.96.2, any authenticated LiteLLM proxy user could redirect an outbound provider call to a destination the user controls and cause the proxy to send its configured provider credentials to that destination. Request validation in litellm/proxy/auth/auth_utils.py, litellm/proxy/common_request_processing.py, litellm/proxy/health_endpoints/_health_endpoints.py, litellm/proxy/image_endpoints/endpoints.py, and litellm/proxy/litellm_pre_call_utils.py used incomplete checks that did not cover every sensitive parameter or inspect equivalent values across nested request fields, path values, and bracket-notation form data. Routing and credential parameters including api_base, base_url, model_list, fallbacks, and litellm_credential_name could therefore be applied without clearing the operator's stored key, exposing upstream provider credentials and other configured secrets and permitting server-side requests to internal services reachable by the proxy. This issue is fixed in versions 1.88.6 and 1.96.2.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0054,"percentile":0.45746,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2026-09-02T17:18:32Z","modified":"2026-10-28T02:30:38Z","fixes":[{"ecosystem":"PyPI","package":"litellm","fixed_in":["1.88.6","1.89.7","1.90.7","1.91.5","1.92.2","1.93.2","1.94.3","1.95.1","1.96.2"],"sources":["ghsa","osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"python-litellm","fixed_in":["1.101.0-1.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.88.6"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.89.0"},{"fixed":"1.89.7"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.90.0"},{"fixed":"1.90.7"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.91.0"},{"fixed":"1.91.5"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.92.0"},{"fixed":"1.92.2"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.93.0"},{"fixed":"1.93.2"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.94.0"},{"fixed":"1.94.3"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.95.0"},{"fixed":"1.95.1"}]}]},{"source":"ghsa","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.96.0"},{"fixed":"1.96.2"}]}]},{"source":"osv","ecosystem":"PyPI","package":"litellm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.88.6"}]}],"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.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Authenticated SSRF and provider-credential exfiltration via unvalidated request-body routing parameters","description":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to versions 1.88.6 and 1.96.2, any authenticated LiteLLM proxy user could redirect an outbound provider call to a destination the user controls and cause the proxy to send its configured provider credentials to that destination. Request validation in litellm/proxy/auth/auth_utils.py, litellm/proxy/common_request_processing.py, litellm/proxy/health_endpoints/_health_endpoints.py, litellm/proxy/image_endpoints/endpoints.py, and litellm/proxy/litellm_pre_call_utils.py used incomplete checks that did not cover every sensitive parameter or inspect equivalent values across nested request fields, path values, and bracket-notation form data. Routing and credential parameters including api_base, base_url, model_list, fallbacks, and litellm_credential_name could therefore be applied without clearing the operator's stored key, exposing upstream provider credentials and other configured secrets and permitting server-side requests to internal services reachable by the proxy. This issue is fixed in versions 1.88.6 and 1.96.2.","status":"published","published":"2026-09-02T17:18:32.728Z","modified":"2026-09-03T14:31:30.548Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:20:08.391556Z"}],"euvd":[{"id":"EUVD-2026-70236","description":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to versions 1.88.6 and 1.96.2, any authenticated LiteLLM proxy user could redirect an outbound provider call to a destination the user controls and cause the proxy to send its configured provider credentials to that destination. Request validation in litellm/proxy/auth/auth_utils.py, litellm/proxy/common_request_processing.py, litellm/proxy/health_endpoints/_health_endpoints.py, litellm/proxy/image_endpoints/endpoints.py, and litellm/proxy/litellm_pre_call_utils.py used incomplete checks that did not cover every sensitive parameter or inspect equivalent values across nested request fields, path values, and bracket-notation form data. Routing and credential parameters including api_base, base_url, model_list, fallbacks, and litellm_credential_name could therefore be applied without clearing the operator's stored key, exposing upstream provider credentials and other configured secrets and permitting server-side requests to internal services reachable by the proxy. This issue is fixed in versions 1.88.6 and 1.96.2.","status":"published","published":"2026-09-02T17:18:32Z","modified":"2026-09-03T14:31:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:13.671159Z"}],"ghsa":[{"id":"GHSA-3cv6-jpf6-8222","title":"LiteLLM: Authenticated SSRF and provider-credential exfiltration via unvalidated request-body routing parameters","description":"### Impact\n\nAny authenticated LiteLLM proxy user could redirect an outbound provider call to a destination they control and cause the proxy to send its own configured provider credentials to that destination. The proxy's request-body validation was a denylist that did not cover every sensitive parameter and did not inspect parameters nested inside other request fields, so a caller could supply a routing or credential value that the proxy applied without clearing the operator's stored key. Any authenticated user could therefore exfiltrate the operator's upstream provider credentials and other configured secrets, and perform Server-Side Request Forgery against internal services reachable from the proxy.\n\n### Patches\n\nFixed in 1.96.2, 1.95.1, 1.94.3, 1.93.2, 1.92.2, 1.91.5, 1.90.7, 1.89.7, and 1.88.6.\n\n### Workarounds\n\nSet `general_settings.allow_client_side_credentials` to `false` so callers cannot override connection parameters, restrict proxy keys to trusted callers, and block the affected parameters (`api_base`, `base_url`, `model_list`, `fallbacks`, provider credential fields) at a reverse proxy or API gateway.","status":"published","published":"2026-09-30T21:11:25Z","modified":"2026-09-30T21:11:28Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:41:23.783773Z"}],"nvd":[{"id":"CVE-2026-84377","description":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to versions 1.88.6 and 1.96.2, any authenticated LiteLLM proxy user could redirect an outbound provider call to a destination the user controls and cause the proxy to send its configured provider credentials to that destination. Request validation in litellm/proxy/auth/auth_utils.py, litellm/proxy/common_request_processing.py, litellm/proxy/health_endpoints/_health_endpoints.py, litellm/proxy/image_endpoints/endpoints.py, and litellm/proxy/litellm_pre_call_utils.py used incomplete checks that did not cover every sensitive parameter or inspect equivalent values across nested request fields, path values, and bracket-notation form data. Routing and credential parameters including api_base, base_url, model_list, fallbacks, and litellm_credential_name could therefore be applied without clearing the operator's stored key, exposing upstream provider credentials and other configured secrets and permitting server-side requests to internal services reachable by the proxy. This issue is fixed in versions 1.88.6 and 1.96.2.","status":"published","published":"2026-09-02T18:21:28.997Z","modified":"2026-09-09T21:05:23.237Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:43.399612Z"}],"osv":[{"id":"CVE-2026-84377","title":"LiteLLM: Authenticated SSRF and provider-credential exfiltration via unvalidated request-body routing parameters","description":"LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to versions 1.88.6 and 1.96.2, any authenticated LiteLLM proxy user could redirect an outbound provider call to a destination the user controls and cause the proxy to send its configured provider credentials to that destination. Request validation in litellm/proxy/auth/auth_utils.py, litellm/proxy/common_request_processing.py, litellm/proxy/health_endpoints/_health_endpoints.py, litellm/proxy/image_endpoints/endpoints.py, and litellm/proxy/litellm_pre_call_utils.py used incomplete checks that did not cover every sensitive parameter or inspect equivalent values across nested request fields, path values, and bracket-notation form data. Routing and credential parameters including api_base, base_url, model_list, fallbacks, and litellm_credential_name could therefore be applied without clearing the operator's stored key, exposing upstream provider credentials and other configured secrets and permitting server-side requests to internal services reachable by the proxy. This issue is fixed in versions 1.88.6 and 1.96.2.","status":"published","published":"2026-09-02T17:18:32.728Z","modified":"2026-10-28T02:30:38.096661915Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:18.482949Z"},{"id":"GHSA-3cv6-jpf6-8222","title":"LiteLLM: Authenticated SSRF and provider-credential exfiltration via unvalidated request-body routing parameters","description":"### Impact\n\nAny authenticated LiteLLM proxy user could redirect an outbound provider call to a destination they control and cause the proxy to send its own configured provider credentials to that destination. The proxy's request-body validation was a denylist that did not cover every sensitive parameter and did not inspect parameters nested inside other request fields, so a caller could supply a routing or credential value that the proxy applied without clearing the operator's stored key. Any authenticated user could therefore exfiltrate the operator's upstream provider credentials and other configured secrets, and perform Server-Side Request Forgery against internal services reachable from the proxy.\n\n### Patches\n\nFixed in 1.96.2, 1.95.1, 1.94.3, 1.93.2, 1.92.2, 1.91.5, 1.90.7, 1.89.7, and 1.88.6.\n\n### Workarounds\n\nSet `general_settings.allow_client_side_credentials` to `false` so callers cannot override connection parameters, restrict proxy keys to trusted callers, and block the affected parameters (`api_base`, `base_url`, `model_list`, `fallbacks`, provider credential fields) at a reverse proxy or API gateway.","status":"published","published":"2026-09-30T21:11:25Z","modified":"2026-10-01T17:55:39.952052915Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:46:35.747385Z"},{"id":"PYSEC-2026-4066","title":"LiteLLM: Authenticated SSRF and provider-credential exfiltration via unvalidated request-body routing parameters","description":"### Impact\n\nAny authenticated LiteLLM proxy user could redirect an outbound provider call to a destination they control and cause the proxy to send its own configured provider credentials to that destination. The proxy's request-body validation was a denylist that did not cover every sensitive parameter and did not inspect parameters nested inside other request fields, so a caller could supply a routing or credential value that the proxy applied without clearing the operator's stored key. Any authenticated user could therefore exfiltrate the operator's upstream provider credentials and other configured secrets, and perform Server-Side Request Forgery against internal services reachable from the proxy.\n\n### Patches\n\nFixed in 1.96.2, 1.95.1, 1.94.3, 1.93.2, 1.92.2, 1.91.5, 1.90.7, 1.89.7, and 1.88.6.\n\n### Workarounds\n\nSet `general_settings.allow_client_side_credentials` to `false` so callers cannot override connection parameters, restrict proxy keys to trusted callers, and block the affected parameters (`api_base`, `base_url`, `model_list`, `fallbacks`, provider credential fields) at a reverse proxy or API gateway.","status":"published","published":"2026-10-01T16:38:41.476323Z","modified":"2026-10-01T17:45:03.105462256Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:52:57.255153Z"},{"id":"openSUSE-SU-2026:11800-1","title":"python313-litellm-1.101.0-1.1 on GA media","description":"These are all security issues fixed in the python313-litellm-1.101.0-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-16T00:00:00Z","modified":"2026-09-17T18:23:13.839887551Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}