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Microsoft Security Response CenterCVE-2026-56847

A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` Writes Trace Logs Outside `--allow-fs-write`. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

LowVendor CVSS 3.3 / 10 1 CVE Published Aug 7, 2026 at 1:01 AM UTC

Summary

Mariner

Products covered

  • azl3 nodejs 24.17.0-1 on Azure Linux 3.0

Remediation

CBL-Mariner Releases

Vendor-listed fixes

  • 24.18.1-1

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.