Vllm: a completions api request with an empty prompt will crash the vllm api server.

{
  "id": "cab5d16d696843d83cd10c1b8ed348a00c168433c5956622f25d3250c8ad2d3d",
  "url": "https://osv.dev/vulnerability/CVE-2024-8768",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Vllm: a completions api request with an empty prompt will crash the vllm api server.",
    "summary": "A flaw was found in the vLLM library. A completions API request with an empty prompt will crash the vLLM API server, resulting in a denial of service.",
    "evidence": "osv:CVE-2024-8768",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-8768",
      "aliases": [
        "CVE-2024-8768",
        "GHSA-w2r7-9579-27hf",
        "PYSEC-2026-2024"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/vllm-project/vllm",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "09c7792610ada9f88bbf87d32b472dd44bf23cc2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.5.5"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.5.4",
            "v0.5.3.post1",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0.post1",
            "v0.5.0",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0.post1",
            "v0.4.0",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.7",
            "v0.2.6",
            "v0.2.5",
            "v0.2.4",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.2.0",
            "v0.1.7",
            "v0.1.6",
            "v0.1.5",
            "v0.1.4",
            "v0.1.3",
            "v0.1.2",
            "v0.1.1",
            "v0.1.0",
            "submission"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-8768.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.449818390Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/downloads/content/package-browser/",
        "https://access.redhat.com/security/cve/CVE-2024-8768",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/8xxx/CVE-2024-8768.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-8768",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2311895",
        "https://github.com/vllm-project/vllm/issues/7632",
        "https://github.com/vllm-project/vllm/pull/7746",
        "https://github.com/vllm-project/vllm"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-617"
        ],
        "cna_assigner": "redhat",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/8xxx/CVE-2024-8768.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-8768",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 493791,
  "published_at": "2024-09-17T16:20:42.399+00:00"
}