{"id":"CVE-2026-48931","title":"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 2…","summary":"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 2…","severity":"low","cvss":3.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-367"],"vendor":"nodejs","product":"node.js","affected":["node.js = 22.22.3","node.js = 24.16.0","node.js = 26.3.0"],"published":"2026-06-22","updated":"2026-07-03","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48931","references":[{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","label":"support@hackerone.com"},{"url":"http://www.openwall.com/lists/oss-security/2026/07/02/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/nodejs/node/issues/63989","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jdstaerk.substack.com/p/nodejs-security-fix-silently-broke","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48931.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-48931"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2491494"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48931"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48931"},{"url":"https://access.redhat.com/errata/RHSA-2026:39246"},{"url":"https://access.redhat.com/errata/RHSA-2026:35842"},{"url":"https://access.redhat.com/errata/RHSA-2026:35841"},{"url":"https://access.redhat.com/errata/RHSA-2026:41947"},{"url":"https://access.redhat.com/errata/RHSA-2026:39868"},{"url":"https://access.redhat.com/errata/RHSA-2026:52399"},{"url":"https://access.redhat.com/errata/RHSA-2026:35892"},{"url":"https://access.redhat.com/errata/RHSA-2026:35891"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00323,"epssPercentile":0.25134,"ingestedAt":"2026-07-03T13:02:27.816Z","patched":["enterprise_linux_appstream_eus_v_10_0","enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_8","enterprise_linux_appstream_eus_v_9_6","enterprise_linux_appstream_v_9"],"slug":"CVE-2026-48931","body":"## Overview\n\nA 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**.\n\n## Affected\n\n- `node.js = 22.22.3`\n- `node.js = 24.16.0`\n- `node.js = 26.3.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:39246** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v. 10.0) · released 2026-07-14 · [advisory](https://access.redhat.com/errata/RHSA-2026:39246)\n- **RHSA-2026:35842** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35842)\n- **RHSA-2026:35841** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35841)\n- **RHSA-2026:41947** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-07-20 · [advisory](https://access.redhat.com/errata/RHSA-2026:41947)\n- **RHSA-2026:39868** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 8) · released 2026-07-15 · [advisory](https://access.redhat.com/errata/RHSA-2026:39868)\n- **RHSA-2026:52399** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream EUS (v.9.6) · released 2026-08-10 · [advisory](https://access.redhat.com/errata/RHSA-2026:52399)\n- **RHSA-2026:35892** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35892)\n- **RHSA-2026:35891** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-07-06 · [advisory](https://access.redhat.com/errata/RHSA-2026:35891)\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-19 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48931.json)","depth":"sunlit","depthScore":20,"depthScoreParts":{"impact":20.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}