{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-114051", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-20T21:42:27.669Z", "datePublished": "2026-10-21T00:36:28.373Z", "dateUpdated": "2026-10-28T15:15:55.536Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-21T00:36:28.373Z" }, "datePublic": "2026-10-06T00:00:00.000Z", "title": "vLLM before 0.31.0 Denial of Service via min_tokens in /inference/v1/generate", "descriptions": [ { "lang": "en", "value": "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." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Uncaught Exception", "cweId": "CWE-248", "type": "CWE" } ] } ], "affected": [ { "vendor": "vllm-project", "product": "vllm", "defaultStatus": "unaffected", "packageURL": "pkg:pypi/vllm", "versions": [ { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "0.31.0" }, { "version": "0.31.0", "status": "unaffected", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.31.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH" } }, { "format": "CVSS", "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "references": [ { "url": "https://github.com/vllm-project/vllm/security/advisories/GHSA-4xqp-c3mv-qff7", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-4xqp-c3mv-qff7)" }, { "name": "VulnCheck Advisory: vLLM before 0.31.0 Denial of Service via min_tokens in /inference/v1/generate", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/vllm-before-0.31.0-denial-of-service-via-min-tokens-in-inference-v1-generate" } ], "credits": [ { "lang": "en", "value": "occia", "type": "reporter" }, { "lang": "en", "value": "jperezdealgaba", "type": "coordinator" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-28T15:08:13.315794Z", "id": "CVE-2026-114051", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-28T15:15:55.536Z" } } ] } }