Node.js · Report #3618831

Unix domain socket server bypasses --permission network restrictions (incomplete CVE-2026-21636 fix)

Validstatus

lowseverity

8upvotes

25 Jun 2026disclosed

Summary

A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the --allow-net permission.

This vulnerability affects one supported release line: Node.js 26.

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