CVE-2026-116181GHSA-w9r6-29q4-pvpr
vLLM 0.20.1 before 0.29.0 DoS and GPU Out-of-Bounds Write via stop_token_ids
vllm-project vllm
CVSS
7.1HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
What fixes it
- 0.29.0vllmCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 2
- vllmaffected: 0.20.1 before 0.29.0CVE List
- vllmunaffected: 0.29.0CVE List