Detections
Analytics
CVE-2026-48618
medium
Description
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**.
References
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48618.json
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases
https://bugzilla.redhat.com/show_bug.cgi?id=2493337
https://access.redhat.com/security/cve/CVE-2026-48618
https://access.redhat.com/errata/RHSA-2026:9455
https://access.redhat.com/errata/RHSA-2026:7378
https://access.redhat.com/errata/RHSA-2026:41947
https://access.redhat.com/errata/RHSA-2026:39868
https://access.redhat.com/errata/RHSA-2026:39246
https://access.redhat.com/errata/RHSA-2026:35892
https://access.redhat.com/errata/RHSA-2026:35891
https://access.redhat.com/errata/RHSA-2026:35842
https://access.redhat.com/errata/RHSA-2026:35841
https://access.redhat.com/errata/RHSA-2026:30172