CVE Watch15 jul 2026

CVE-2026-42271

BerriAI LiteLLM Command Injection Vulnerability

CVSS

8.8

Alto

EPSS

83.6%

p100

KEV

SÍ

8 jun 2026

Exploit Today

0-100

Publicado: 8 may 2026 · Última mod.: 15 jul 2026 · CWE-77 · CWE-78

EPSS · 30d

83.0%EPSS · 30 días83.6%

2026-08-022026-08-31

Ficha del catálogo KEV

Producto

BerriAI / LiteLLM

Vulnerabilidad

BerriAI LiteLLM Command Injection Vulnerability

Añadido a KEV

8 jun 2026

Remediar antes de

22 jun 2026

Uso conocido en ransomware

Descripción resumida

BerriAI LiteLLM contains a command injection vulnerability that could allow any authenticated user, including holders of low-privilege internal-user keys, to run arbitrary commands on the host.

Acción requerida

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notas

This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on patching status. For more information, please see: https://github.com/BerriAI/litellm/security/advisories/GHSA-v4p8-mg3p-g94g ; https://github.com/BerriAI/litellm/releases/tag/v1.83.7-stable ; https://nvd.nist.gov/vuln/detail/CVE-2026-42271

Descripción técnica

LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.74.2 to before version 1.83.7, two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration in the request body, including the command, args, and env fields used by the stdio transport. When called with a stdio configuration, the endpoints attempted to connect, which spawned the supplied command as a subprocess on the proxy host with the privileges of the proxy process. The endpoints were gated only by a valid proxy API key, with no role check. Any authenticated user — including holders of low-privilege internal-user keys — could therefore run arbitrary commands on the host. This issue has been patched in version 1.83.7.

Referencias oficiales

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