LiteLLM Proxy < 1.84.0 - Host Header Authentication Bypass

LiteLLM Proxy before 1.84.0 derives its public-route authorization check from a URL reconstructed with the unvalidated Host header. A Host value containing a fragment can make a protected request appear to target the public root route, bypassing the API-key check. Version 1.84.0 derives the route...

CVE-2026-42208-Lab

CVE-2026-42208 — PoC de inyección SQL por tiempo previa a la autenticación en LiteLLM Laboratorio Docker local y PoC de daño mínimo para CVE-2026-42208, una vulnerabilidad de inyección SQL previa a la autenticación en la ruta de verificación de claves API del proxy LiteLLM. Este repositorio...

CVE-2026-42208_lab

Inyección SQL en LiteLLM Proxy GHSA-r75f-5x8p-qvmc Un entorno de reproducción para la vulnerabilidad de inyección SQL en el flujo de autenticación de claves API de LiteLLM Proxy. Resumen de la vulnerabilidad Elemento| Detalle ---|--- Aviso| GHSA-r75f-5x8p-qvmc Tipo| Inyección SQL CWE-89 Gravedad|...

LiteLLM Proxy has server-side request forgery via the `user_config` request parameter

SummaryA server-side request forgery in LiteLLM Proxy lets an authenticated caller redirect theproxy's outbound request to a host of their choosing by smuggling an apibase inside theuserconfig request body, bypassing the existing parameter guard. DetailsLiteLLM Proxy validates request bodies with...

LiteLLM: M2M JWT Handler Has 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...

litellm-sqli-scanner

Escáner de inyección SQL LiteLLM CVE-2026-42208 — inyección SQL en LiteLLM Proxy Detecta y valida CVE-2026-42208: vulnerabilidad de inyección SQL en la capa de base de datos de LiteLLM Proxy. Solo para pruebas de seguridad autorizadas. Características Detección de inyección SQL CVE-2026-42208...

GHSA-HX8V-G79F-8W5F LiteLLM Proxy has server-side request forgery via the `user_config` request parameter

Summary A server-side request forgery in LiteLLM Proxy lets an authenticated caller redirect the proxy's outbound request to a host of their choosing by smuggling an apibase inside the userconfig request body, bypassing the existing parameter guard. Details LiteLLM Proxy validates request bodies...

LiteLLM Proxy has server-side request forgery via the `user_config` request parameter

Summary A server-side request forgery in LiteLLM Proxy lets an authenticated caller redirect the proxy's outbound request to a host of their choosing by smuggling an apibase inside the userconfig request body, bypassing the existing parameter guard. Details LiteLLM Proxy validates request bodies...

EUVD-2026-80986

LiteLLM Proxy has server-side request forgery via the userconfig request parameter...

CVE-2026-59823

LiteLLM is a proxy server (AI Gateway) for calling LLM APIs. Prior to version 1.83.9 , an authenticated caller holding a valid virtual key could place api_base inside the user_config request body, bypassing the is_request_body_safe check that blocks top-level api_base and base_url but did not ins...

CVE-2026-59823 LiteLLM: Server-side request forgery via the `user_config` request parameter in LiteLLM Proxy

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.83.9, an authenticated LiteLLM Proxy caller with a valid virtual key can place apibase inside the userconfig request body to bypass isrequestbodysafe, which blocks top-level apibase and baseurl but...

📄 LiteLLM 1.83.6 Blind SQL Injection

A proof of concept exploit for a pre-authentication blind SQL injection vulnerability in LiteLLM version 1.83.6. The vulnerability affects LiteLLM proxy versions 1.81.16 through 1.83.6 and occurs because the virtual-key lookup interpolates an unauthenticated bearer token directly into a PostgreSQ...

VulnCheck KEV: CVE-2026-59821

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to creat...

LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks

ImpactLiteLLM's Custom Code Guardrails production create/update paths did not apply the same sandboxing and validation used by the test endpoint.A privileged user with access to create or update guardrails could submit custom Python code that executed in the LiteLLM proxy environment. In...

EUVD-2026-42350

LiteLLM: Custom Code Guardrails production endpoints bypass code safety checks...

EUVD-2026-42359

LiteLLM: MCP Authentication Bypass via OAuth2 Passthrough Fallback...

EUVD-2026-42361

LiteLLM: Local file read via request-supplied OIDC file references...

CVE-2026-59821

LiteLLM is a proxy server AI Gateway to call LLM APIs in OpenAI or native format. Prior to 1.82.0-stable, LiteLLM's Custom Code Guardrails production create and update paths did not apply the same sandboxing and validation used by the test endpoint, allowing a privileged user with access to creat...

Exploit for Authentication Bypass by Spoofing in Litellm

CVE-2026-49468 — LiteLLM Unauthenticated Auth Bypass via Host-...

PT-2026-53473

Impact A Host-header parsing flaw in the LiteLLM proxy could, under specific conditions, allow unauthenticated access to protected management routes. The auth layer derived the effective route from request.url.path in litellm/proxy/auth/auth utils.py::get request route, which Starlette reconstruc...