Security advisory

{
  "id": "c954f82498db7fe79ab09af92b7008016f8250578f752f74e22aec0aa3f97cae",
  "url": "https://osv.dev/vulnerability/CVE-2023-26144",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-26144",
    "summary": "Versions of the package graphql from 16.3.0 and before 16.8.1 are vulnerable to Denial of Service (DoS) due to insufficient checks in the OverlappingFieldsCanBeMergedRule.ts file when parsing large queries. This vulnerability allows an attacker to degrade system performance. **Note:** It was not proven that this vulnerability can crash the process.",
    "evidence": "osv:CVE-2023-26144",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2023-26144",
      "aliases": [
        "CVE-2023-26144",
        "GHSA-9pv7-vfvm-6vr7"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/graphql/graphql-js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f597c694339b7c488f05496806e404659f6ff955"
                },
                {
                  "fixed": "8a95335f545024c09abfa0f07cc326f73a0e466f"
                },
                {
                  "fixed": "f94b511386c7e47bd0380dcd56553dc063320226"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:graphql:graphql:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "16.3.0"
                      },
                      {
                        "fixed": "16.8.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "f94b511386c7e47bd0380dcd56553dc063320226"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8a95335f545024c09abfa0f07cc326f73a0e466f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v16.8.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v16.8.0",
            "v16.7.1",
            "v16.7.0",
            "v16.6.0",
            "v17.0.0-alpha.2",
            "v16.5.0",
            "v17.0.0-alpha.1",
            "v16.4.0",
            "v16.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-26144.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.334083782Z",
      "provider": "osv",
      "references": [
        "https://github.com/graphql/graphql-js/releases/tag/v16.8.1",
        "https://security.snyk.io/vuln/SNYK-JS-GRAPHQL-5905181",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26144.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-26144",
        "https://github.com/graphql/graphql-js/issues/3955",
        "https://github.com/graphql/graphql-js/commit/f94b511386c7e47bd0380dcd56553dc063320226",
        "https://github.com/graphql/graphql-js/pull/3972"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-400"
        ],
        "cna_assigner": "snyk",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26144.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-26144",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497012,
  "published_at": "2023-09-20T05:00:02.129+00:00"
}