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9.8

vm2 package can run unauthorized code in GitHub Actions

CVE-2026-47210 · published 3 days ago
Summary

The vm2 library used in GitHub Actions and the @rootio/vm2 package could let attackers execute code they shouldn't be able to. This could let a malicious user take control of the workflow environment. Update vm2 to the latest released version that includes the fix.

What to do
  • Update GitHub Actions vm2 to version 3.11.4.
  • Update rootio @rootio/vm2 to version 3.11.3-root.io.2.
  • Update GitHub Actions vm2 to version 3.11.3-aikido.2.
  • Update rootio @rootio/vm2 to version 3.9.17-root.io.7.
  • Update vm2 to version 3.9.17-aikido.10.
  • Update rootio @rootio/vm2 to version 3.9.17-root.io.10.
  • Update GitHub Actions vm2 to version 3.9.17-aikido.9.
  • Update rootio @rootio/vm2 to version 3.9.17-root.io.9.
  • Update GitHub Actions vm2 to version 3.9.17-aikido.7.
Affected software
Ecosystem VendorProductAffected versions
npm GitHub Actions vm2 <= 3.11.3
Fix: upgrade to 3.11.4
Root:npm rootio @rootio/vm2 < 3.11.3-root.io.2
< 3.9.17-root.io.7
< 3.9.17-root.io.10
< 3.9.17-root.io.9
Fix: upgrade to 3.11.3-root.io.2
Root:npm GitHub Actions vm2 < 3.11.3-aikido.2
< 3.9.17-aikido.9
< 3.9.17-aikido.7
Fix: upgrade to 3.11.3-aikido.2
Root:npm – vm2 < 3.9.17-aikido.10
Fix: upgrade to 3.9.17-aikido.10
Original advisory text
CVE-2026-47210 in vm2 - Patched by Root
Root has patched CVE-2026-47210 in the vm2 package for Root:npm. Multiple fixed versions available.
References
Severity
9.8 Critical
CVSS 3.1: 9.8 (GHSA)
CVSS 3.1: 9.8 (OSV)
Exploitation
EPSS <1%
Type
CWE-913Improper Control of Dynamically-Managed Code Resources
Timeline
Published22 Sep 2026
Updated25 Sep 2026
First seen29 May 2026
Sources
GHSA-6j2x-vhqr-qr7q · GHSA
CVE-2026-47210 · NVD
ROOT-APP-NPM-CVE-2026-47210 · OSV
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