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7.7 High

CVE-2026-48618 A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls…

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**.

Affected products and versions

Product Affected versions Fixed in
Node 26.3.0 No fix stated
Node 24.16.0 No fix stated
Node 22.22.3 No fix stated
Red Hat Enterprise Linux 10 Versions not published
Red Hat Enterprise Linux 10.0 Extended Update Support Versions not published
Red Hat Enterprise Linux 9 9080020260626075442 earliest → < 9080020260626075442.rhel9 9080020260626075442.rhel9
Red Hat Hardened Images 20.20 earliest → < 20.20.2-1.hum1 20.20.2-1.hum1
Red Hat Enterprise Linux 8 8100020260703140402.6 earliest → < 8100020260703140402.6d880403 8100020260703140402.6d880403

References

Timeline

  1. Published
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