VIR Vulnerability Intelligence Relay

CVE-2026-26956

critical
Published 2026-05-04 · Modified 2026-05-05
CVSS v3
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
—
VIR risk
9.8

Description

VM2 Has a WASM Sandbox Escape (Node 25 only)

Predictions

Exploit likelihood
97%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66

vendor Authored 2026-05-27

Vendor advisory: security-advisories@github.com — https://github.com/patriksimek/vm2/releases/tag/v3.10.5

Package impact
EcosystemPackageVulnerableFixed
npm npmvm2>=3.10.4,<3.10.53.10.5
npm NPMvm2= 3.10.43.10.5

Application impact
VendorProductVersionsFixed
vm2_projectvm2{"endExcluding":"3.10.5"}3.10.5

References

CWEs

CWE-693

Verify integrity in audit chain (admin only). AS-IS.