CVE
CVE-2026-26956
vm2: WASM Sandbox Escape (Node 25 only)
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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
Fix with a single pull request
CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Related Resources
No items found.
References
https://github.com/patriksimek/vm2/releases/tag/v3.10.5, https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26956.json, https://access.redhat.com/security/cve/CVE-2026-26956, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26956.json, https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66, https://nvd.nist.gov/vuln/detail/CVE-2026-26956, https://bugzilla.redhat.com/show_bug.cgi?id=2466548