{"cve":"CVE-2026-48931","nvd":{"published":"2026-06-22T20:16:29.957","modified":"2026-10-25T23:10:00.167","status":"Modified","description":"A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","score":3.7},"cwes":["CWE-367"],"references":["https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","http://www.openwall.com/lists/oss-security/2026/07/02/2","https://github.com/nodejs/node/issues/63989","https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke"],"products":["nodejs:node.js"],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-48931","score":0.00323,"percentile":0.25052,"date":"2026-10-25"},"kev":null,"osv":[],"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."]}