Node.js · Report #3649802

TLS host identity verification bypass via session reuse with different servername leads to unauthorized connections

Validstatus

mediumseverity

5upvotes

25 Jun 2026disclosed

Summary

A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation.

This vulnerability affects all supported release lines: Node.js 22, Node.js 24, and Node.js 26.

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