{"id":"CVE-2026-48934","title":"A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","summary":"A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-295"],"published":"2026-06-26","updated":"2026-06-29","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-48934","references":[{"url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases","label":"support@hackerone.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48934.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-48934"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2493332"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-48934"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48934"},{"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"},{"url":"https://access.redhat.com/errata/RHSA-2026:9455"},{"url":"https://access.redhat.com/errata/RHSA-2026:35272"},{"url":"https://access.redhat.com/errata/RHSA-2026:34478"},{"url":"https://access.redhat.com/errata/RHSA-2026:7378"},{"url":"https://access.redhat.com/errata/RHSA-2026:33866"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00258,"epssPercentile":0.17319,"ingestedAt":"2026-06-29T14:29:18.115Z","vendor":"Red Hat","product":"Red Hat Hardened Images","affected":["enterprise_linux 10","enterprise_linux 9","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","hardened_images"],"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","hardened_images"],"slug":"CVE-2026-48934","body":"## Overview\n\nA flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.\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- **RHSA-2026:9455** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-04-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:9455)\n- **RHSA-2026:35272** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-07-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:35272)\n- **RHSA-2026:34478** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-07-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:34478)\n- **Red Hat VEX** · Moderate · 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-2026-48934.json)","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}