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CVE CVE-2026-48618

CVE-2026-48618

Node.js

Severity: HIGH
CVSS: 7.7CVSS
Published: 2026-06-26
Last modified: 2026-06-26
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CWE: CWE-176

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://nodejs.org/en/blog/vulnerability/june-2026-security-releases

Summary

Description

References