CVE-2026-116174 (GCVE-0-2026-116174)

Vulnerability from cvelistv5 – Published: 2026-10-25 13:20 – Updated: 2026-10-25 13:20
VLAI
Title
vLLM 0.22.0 before 0.24.0 Denial of Service via Rust gRPC Generate
Summary
vLLM from 0.22.0 before 0.24.0 contains an improper input validation vulnerability in the Rust gRPC Generate and GenerateStream service that forwards unchecked prompt token IDs to EngineCore. Attackers can submit requests with out-of-vocabulary prompt.token_ids values to trigger a fatal embedding lookup failure that terminates EngineCore and leaves the server unhealthy.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-20 - Improper Input Validation
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6828 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
vllm-project vllm Affected: 0.22.0 , < 0.24.0 (semver)
Unaffected: 0.24.0 (semver)
    cpe:2.3:a:vllm:vllm:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-09 00:00
Credits
rexpository jperezdealgaba
Show details on NVD website
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        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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          "name": "GitHub Security Advisory (GHSA-w2v2-5662-8v5q)",
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  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-116174",
    "datePublished": "2026-10-25T13:20:15.109Z",
    "dateReserved": "2026-10-25T12:25:26.984Z",
    "dateUpdated": "2026-10-25T13:20:15.109Z",
    "state": "PUBLISHED"
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          }
        ],
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        "lastModified": "2026-10-25T14:16:56.877",
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                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
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                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
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                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
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      "cve": "CVE-2026-116174",
      "id": "CVE-2026-116174",
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      "product_status:known_affected": "31",
      "source": "Red Hat CSAF VEX",
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      "title": "vllm: vllm: Denial of Service via invalid prompt token IDs in gRPC service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-116174.json",
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}



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