CVE-2026-12774 BerriAI litellm MCP Server Connection Testing rest_endpoints.py _execute_with_mcp_client server-side request forgery

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

EUVD-2026-38140

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

CVE-2026-12774

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

CVE-2026-12774 BerriAI litellm MCP Server Connection Testing rest_endpoints.py _execute_with_mcp_client server-side request forgery

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

CVE-2026-12774

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

CVE-2026-12774 BerriAI litellm MCP Server Connection Testing rest_endpoints.py _execute_with_mcp_client server-side request forgery

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

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

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...

PT-2026-91837

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function load openapi spec async of the file litellm/proxy/ experimental/mcp server/openapi to mcp generator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument spec pa...

PT-2026-89684

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

PT-2026-51212

Name of the Vulnerable Software and Affected Versions BerriAI litellm versions prior to 1.82.3 Description A server-side request forgery SSRF exists in the MCP OpenAPI Spec Loader component. The issue occurs within the load openapi spec async function located in the litellm/proxy/ experimental/mc...

CVE-2026-12798: Server-Side Request Forgery (SSRF)

A weakness has been identified in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function loadopenapispecasync of the file litellm/proxy/experimental/mcpserver/openapitomcpgenerator.py of the component MCP OpenAPI Spec Loader. This manipulation of the argument specpath causes...

CVE-2026-12773: 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-2026-12774: Server-Side Request Forgery (SSRF)

A security vulnerability has been detected in BerriAI litellm up to 1.82.2. Affected by this vulnerability is the function executewithmcpclient of the file litellm/proxy/experimental/mcpserver/restendpoints.py of the component MCP Server Connection Testing. The manipulation leads to server-side...

MINI-Q949-MF84-3MCP

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Authentication Bypass

github.com/googleapis/mcp-toolbox is vulnerable to Authentication Bypass. The vulnerability is due to improper validation of the optional issuer iss claim during OAuth 2.0 opaque token introspection. If the introspection response omits the iss field, the issuer validation is silently skipped, whi...

flowise-mcp-env-case-bypass-poc

Flowise 3.1.2 Custom MCP Environment Variable Case Bypass PoC...

NPM: appium-mcp: Unescaped Locator Data XSS in MCP-UI Resource (createLocatorGeneratorUI)

NPM: appium-mcp: Unescaped Locator Data XSS in MCP-UI Resource createLocatorGeneratorUI vulnerability discovered by ? in WordPress Npm appium-mcp versions = 1.85.9...

GHSA-V3F4-W7R7-V3HM Uni-CLI: Legacy HTTP MCP transport accepted browser-originated localhost requests

Impact Uni-CLI versions before 0.225.2 exposed the legacy JSON-RPC-over-HTTP MCP transport on loopback without validating browser Origin headers before routing requests. A malicious web page could send a CORS simple POST request, such as text/plain, to the local /mcp endpoint and deliver a JSON-R...