{"cve":"CVE-2023-26144","nvd":{"published":"2023-09-20T05:15:39.923","modified":"2026-06-17T05:42:46.593","status":"Modified","description":"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.\r\r**Note:** It was not proven that this vulnerability can crash the process.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-400"],"references":["https://github.com/graphql/graphql-js/commit/f94b511386c7e47bd0380dcd56553dc063320226","https://github.com/graphql/graphql-js/issues/3955","https://github.com/graphql/graphql-js/pull/3972","https://github.com/graphql/graphql-js/releases/tag/v16.8.1","https://security.snyk.io/vuln/SNYK-JS-GRAPHQL-5905181"],"products":["graphql:graphql"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-26144","score":0.01454,"percentile":0.7346,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-9pv7-vfvm-6vr7","url":"https://osv.dev/vulnerability/GHSA-9pv7-vfvm-6vr7","summary":"graphql Uncontrolled Resource Consumption vulnerability","modified":"2023-11-08T04:11:59.927465Z","packages":[{"ecosystem":"npm","name":"graphql","purl":"pkg:npm/graphql","ranges":[">=16.3.0 <16.8.1"],"fixed":["16.8.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}