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CVE-2026-12796— BerriAI litellm SSO Authentication Flow ui_sso.py get_redirect_response_from_openid session expiration

Quick assessment

Affected
BerriAI litellm
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

LiteLLM是LiteLLM团队开源的一个应用程序。 litellm 1.82.2及之前版本存在会话机制问题漏洞，该漏洞源于SSO Authentication Flow组件文件litellm/proxy/management_endpoints/ui_sso.py中函数get_redirect_response_from_openid导致会话过期，攻击者可能远程利用此漏洞。

CVSS 6.3 · Medium EPSS 0.36% · P29

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 3

VendorProduct Version RangeStatus
BerriAI litellm 1.82.0 affected
1.82.1 affected
1.82.2 affected
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I. Basic Information for CVE-2026-12796

Vulnerability Information
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Vulnerability Title
BerriAI litellm SSO Authentication Flow ui_sso.py get_redirect_response_from_openid session expiration
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5
Vulnerability Title
litellm 会话机制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LiteLLM是LiteLLM团队开源的一个应用程序。 litellm 1.82.2及之前版本存在会话机制问题漏洞，该漏洞源于SSO Authentication Flow组件文件litellm/proxy/management_endpoints/ui_sso.py中函数get_redirect_response_from_openid导致会话过期，攻击者可能远程利用此漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
BerriAI litellm 1.82.0 cpe:2.3:a:litellm:litellm:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-12796

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III. Intelligence Information for CVE-2026-12796

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Proof of Concept for CVE-2026-12796 (1)

Same Patch Batch · BerriAI · 2026-06-21 · 10 CVEs total

CVE-2026-12773 7.3 HIGH BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication
CVE-2026-12795 7.3 HIGH BerriAI litellm SSO Debug Flow ui_sso.py json.dumps missing authentication
CVE-2026-12798 6.3 MEDIUM BerriAI litellm MCP OpenAPI Spec Loader openapi_to_mcp_generator.py load_openapi_spec_asyn
CVE-2026-12774 6.3 MEDIUM BerriAI litellm MCP Server Connection Testing rest_endpoints.py _execute_with_mcp_client s
CVE-2026-12772 6.3 MEDIUM BerriAI litellm PROXY_ADMIN database API Key Generator login_utils.py authenticate_user se
CVE-2026-12797 6.3 MEDIUM BerriAI litellm Completions banned_keywords.py async_pre_call_hook authorization
CVE-2026-12770 5.4 MEDIUM BerriAI litellm Admin Key key_management_endpoints.py improper authorization
CVE-2026-12771 5.0 MEDIUM BerriAI litellm M2M JWT user_api_key_auth.py improper authorization
CVE-2026-12799 4.3 MEDIUM BerriAI litellm Incomplete Fix CVE-2025-0628 internal_user_endpoints.py ui_view_users impr

IV. Related Vulnerabilities

Same product: litellm
Same vendor: BerriAI
Same weakness: CWE-613

V. Comments for CVE-2026-12796

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