CVE-2026-12773 BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

CVE-2026-12773

Affected software: litellm MCP Proxy (BerriAI) up to version 1.59.8. The vulnerability lies in UserAPIKeyAuth in litellm/proxy/_experimental/mcp_server/auth/user_api_key_auth_mcp.py, where authentication can be bypassed if an invalid token triggers a swallowed 401/403 exception, allowing unauthen...

CVE-2026-12773 BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication

A weakness has been identified in BerriAI litellm up to 1.59.8. Affected is the function UserAPIKeyAuth of the file litellm/proxy/experimental/mcpserver/auth/userapikeyauthmcp.py of the component MCP Proxy. Executing a manipulation can lead to improper authentication. The attack may be launched...

Incorrect Authorization

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to Incorrect Authorization in the userapikeyauth.py file of the M2M JWT Handler. An attacker can gain unauthorized access to resources by exploiting insufficient authorization...

Insufficient Session Expiration

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to Insufficient Session Expiration in the authenticateuser function. An attacker can gain unauthorized access or maintain access to sensitive information by exploiting session...

CVE-2026-12771

A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/userapikeyauth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is...

CVE-2026-12772

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

CVE-2026-12772 BerriAI litellm PROXY_ADMIN database API Key Generator login_utils.py authenticate_user session expiration

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

EUVD-2026-38138

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

CVE-2026-12772

CVE-2026-12772 affects BerriAI litellm up to 1.82.2, impacting the authenticate_user path in litellm/proxy/auth/login_utils.py for the PROXY_ADMIN database API Key Generator. Description indicates that manipulating input can cause session expiration and that the issue can be exploited remotely; e...

CVE-2026-12772 BerriAI litellm PROXY_ADMIN database API Key Generator login_utils.py authenticate_user session expiration

A security flaw has been discovered in BerriAI litellm up to 1.82.2. This impacts the function authenticateuser of the file litellm/proxy/auth/loginutils.py of the component PROXYADMIN database API Key Generator. Performing a manipulation results in session expiration. The attack may be initiated...

CVE-2026-12770

A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file litellm/proxy/managementendpoints/keymanagementendpoints.py of the component Admin Key Handler. This manipulation causes improper authorization. The attack can be initiated...

Missing Authorization

Overview litellm is a Library to easily interface with LLM API providers Affected versions of this package are vulnerable to Missing Authorization in the keymanagementendpoints.py file. An attacker can gain unauthorized access to administrative key management operations by sending crafted request...

CVE-2026-12771 BerriAI litellm M2M JWT user_api_key_auth.py improper authorization

A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/userapikeyauth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is...

EUVD-2026-38137

A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/userapikeyauth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is...

CVE-2026-12771

CVE-2026-12771 affects the litellm library by BerriAI up to version 1.82.2, specifically in litellm/proxy/auth/user_api_key_auth.py (M2M JWT Handler). The flaw enables improper authorization via remote exploitation with high attack complexity; public PoC exists. SNYK detaails identify the vulnera...

CVE-2026-12771

A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/userapikeyauth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is...

CVE-2026-12771 BerriAI litellm M2M JWT user_api_key_auth.py improper authorization

A vulnerability was identified in BerriAI litellm up to 1.82.2. This affects an unknown function of the file litellm/proxy/auth/userapikeyauth.py of the component M2M JWT Handler. Such manipulation leads to improper authorization. The attack can be launched remotely. A high complexity level is...

CVE-2026-12770 BerriAI litellm Admin Key key_management_endpoints.py improper authorization

A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file litellm/proxy/managementendpoints/keymanagementendpoints.py of the component Admin Key Handler. This manipulation causes improper authorization. The attack can be initiated...

EUVD-2026-38136

A vulnerability was determined in BerriAI litellm up to 1.63.1. The impacted element is an unknown function of the file litellm/proxy/managementendpoints/keymanagementendpoints.py of the component Admin Key Handler. This manipulation causes improper authorization. The attack can be initiated...