[ CVE-2026-116176 · Published 25 Oct 2026 ]

Vulnerability in vllm-project vllm

CVSS 8.2 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

vLLM from 0.9.2 before 0.24.0 contains a server-side request forgery vulnerability that allows API callers to force outbound connections by embedding a decode address in the X-Request-Id header. Attackers can make a P2pNcclConnector prefill worker ZMQ-connect to an attacker host, leaking the NCCL unique_id and KV-cache tensors or blocking the worker.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

  • BSI CERT-BundWID-SEC-2026-3828

    vllm: Multiple vulnerabilities Translated from German

    Risk mediumCVE-2026-116176CVE-2026-116180CVE-2026-116177+4 more CVEs