[ CVE-2026-116181 · Published 25 Oct 2026 ]

Vulnerability in vllm-project vllm

CVSS 6.5 EPSS <1%1 agency advisoryFix available

[ Description ]Official description

vLLM from 0.20.1 before 0.29.0 contains an improper input validation vulnerability that allows remote attackers to crash the engine by supplying out-of-vocabulary stop_token_ids. Attackers can send OpenAI chat, completion, generate, or batch requests with invalid IDs to terminate the engine or write outside the V2 runner's logits buffer.

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories