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 misma…
Medium CVSS 6.5
Summary
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. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
Sources
- NVD DATABASE
Original Links
- https://nodejs.org/en/blog/vulnerability/june-2026-security-releases Patch
- https://access.redhat.com/errata/RHSA-2026:28727
- https://access.redhat.com/errata/RHSA-2026:29012
- https://access.redhat.com/errata/RHSA-2026:30172
- https://access.redhat.com/errata/RHSA-2026:35841
- https://access.redhat.com/errata/RHSA-2026:35842
- https://access.redhat.com/errata/RHSA-2026:35891
- https://access.redhat.com/errata/RHSA-2026:35892
- https://access.redhat.com/errata/RHSA-2026:39246
- https://access.redhat.com/errata/RHSA-2026:39868
- https://access.redhat.com/errata/RHSA-2026:7378
- https://access.redhat.com/errata/RHSA-2026:9455
- https://access.redhat.com/security/cve/CVE-2026-48618
- https://bugzilla.redhat.com/show_bug.cgi?id=2493337
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48618.json
Timeline
- nvd_ingest NVD