{"id":"CVE-2026-114051","aliases":["GHSA-4xqp-c3mv-qff7"],"url":"https://o3.security/vulnerability/CVE-2026-114051","summary":"vLLM before 0.31.0 Denial of Service via min_tokens in /inference/v1/generate","details":"vLLM before 0.31.0 skips the min_tokens <= max_tokens check for /inference/v1/generate requests with a null max_tokens, so the EngineCore input thread later dies on an uncaught VLLMValidationError while /health still returns 200. Unauthenticated remote attackers can send one request with an oversized min_tokens to hang all subsequent generation requests until manual restart.","published":"2026-10-21T00:36:28.373Z","modified":"2026-10-24T02:48:45.811548915Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/114xxx/CVE-2026-114051.json"},{"type":"ADVISORY","url":"https://github.com/vllm-project/vllm/security/advisories/GHSA-4xqp-c3mv-qff7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114051"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/vllm-before-0.31.0-denial-of-service-via-min-tokens-in-inference-v1-generate"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T02:48:45.811548915Z"}}