[ CVE-2026-116173 · Published 25 Oct 2026 ]

Vulnerability in vllm-project vllm

CVSS 7.5 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official description

vLLM from 0.22.0 before 0.24.0 contains a denial of service vulnerability that allows remote attackers to terminate EngineCore by bypassing logprob_token_ids limits in the Rust gRPC frontend. Attackers can send Generate or GenerateStream requests with output_logprobs enabled and more than 128 output_candidates.token_ids, triggering a fatal sampler exception that crashes the engine.

[ 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