{"id":"CVE-2026-114051","revision":"2c529c78204844a392e004654466f161","records":[{"revision":"2c529c78204844a392e004654466f161","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-114051","aliases":[],"title":"vLLM before 0.31.0 Denial of Service via min_tokens in /inference/v1/generate","description":"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.","state":0,"publishedAt":"2026-10-21T00:36:28.373+00:00","modifiedAt":"2026-10-21T00:36:28.373+00:00","affected":[{"ecosystem":"Vendor product","name":"vllm","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"vllm-project\",\n                    \"product\": \"vllm\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/vllm\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"0.31.0\"\n                        },\n                        {\n                            \"version\": \"0.31.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/vllm-project/vllm/security/advisories/GHSA-4xqp-c3mv-qff7","https://www.vulncheck.com/advisories/vllm-before-0.31.0-denial-of-service-via-min-tokens-in-inference-v1-generate"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114051","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-114051","identifiers":["CVE-2026-114051"]},"retained":false,"historicalAffected":[]}],"coverage":[]}