{"schema_version":"1.7.5","id":"CVE-2026-48618","published":"2026-06-26T01:14:36.868Z","modified":"2026-07-23T03:56:19.711477794Z","aliases":["BIT-node-2026-48618","BIT-node-min-2026-48618"],"related":["ALSA-2026:35841","ALSA-2026:35842","ALSA-2026:35891","ALSA-2026:35892","ALSA-2026:39868","ALSA-2026:41947","SUSE-SU-2026:22368-1","SUSE-SU-2026:22565-1","SUSE-SU-2026:2633-1","SUSE-SU-2026:2647-1","SUSE-SU-2026:2695-1","openSUSE-SU-2026:11110-1","openSUSE-SU-2026:11121-1","openSUSE-SU-2026:21058-1","openSUSE-SU-2026:21236-1"],"details":"A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mismat.\r\n\r\nThis can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.\r\n\r\nThis vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nodejs/node","events":[{"introduced":"fdfa0ff0dbaf0fbf4d7d6d89a2ab807f3177fa5c"},{"last_affected":"b7e6a5d37e7a14ef0f2cc95214b95d66c4081415"}],"database_specific":{"cpe":["cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:*","cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:*","cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*"],"extracted_events":[{"introduced":"22.22.3"},{"last_affected":"22.22.3"},{"introduced":"24.16.0"},{"last_affected":"24.16.0"},{"introduced":"26.3.0"},{"last_affected":"26.3.0"}],"source":"CPE_STRING"}}],"versions":["22.22.3","24.16.0","26.3.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48618.json"}}],"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48618.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:28727"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:29012"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:30172"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:35841"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:35842"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:35891"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:35892"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:39246"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:39868"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41947"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:7378"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:9455"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-48618"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48618.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48618"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2493337"},{"type":"ARTICLE","url":"https://nodejs.org/en/blog/vulnerability/june-2026-security-releases"}],"database_specific":{"cna_assigner":"hackerone","cwe_ids":["CWE-176"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48618.json","unresolved_ranges":[{"extracted_events":[{"introduced":"22.22.3"},{"last_affected":"22.22.3"},{"introduced":"24.16.0"},{"last_affected":"24.16.0"},{"introduced":"26.3.0"},{"last_affected":"26.3.0"}],"source":"AFFECTED_FIELD"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"}]}