CVE-2026-26956
vm2: WASM Sandbox Escape (Node 25 only)
Description
vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
patriksimek
oss-project
vm2Library
OSS Libraries / npmvm2 project
oss-projectaka vm2
vm2Library
OSS Libraries / npmNode.js Foundation
oss-project·USaka node foundation, nodejs foundation
Exploitability
Official Patch Available
References
https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66
github.com
https://github.com/patriksimek/vm2/releases/tag/v3.10.5
github.com
https://access.redhat.com/security/cve/CVE-2026-26956
access.redhat.com
and 3 more references View all →
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