CVE-2026-48618: high-severity vulnerability in nodejs node
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7epss 3.1%
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**.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected products
nodejs · nodeRelated CVEs — nodejs node
In the same product, most dangerous first.
References
https://access.redhat.com/errata/RHSA-2026:28727https://access.redhat.com/errata/RHSA-2026:29012https://access.redhat.com/errata/RHSA-2026:30172https://access.redhat.com/errata/RHSA-2026:35841https://access.redhat.com/errata/RHSA-2026:35842https://access.redhat.com/errata/RHSA-2026:35891https://access.redhat.com/errata/RHSA-2026:35892https://access.redhat.com/errata/RHSA-2026:39246https://access.redhat.com/errata/RHSA-2026:39868https://access.redhat.com/errata/RHSA-2026:41947https://access.redhat.com/errata/RHSA-2026:52399https://access.redhat.com/errata/RHSA-2026:7378