CVE-2026-26332: VM2 Has a Sandbox Escape Issue via SuppressedError
Affects vm2Source GCVE Database
Not known to be exploited · CVSS 9.8 Critical : upgrade to 3.11.0 as a priority.
Data as of 27 Oct 2026, 01:43 UTC
- Patch
- Available – fixed in 3.11.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 4 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade vm2 to 3.11.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| npmvm2 | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade VM2 to version 3.11.0 or later, where this vulnerability is fixed. No other mitigations are indicated by the vendor advisory. Applying the official patch fully addresses the issue.
Description
VM2 version prior to 3.11.0 contains a critical sandbox escape vulnerability via the SuppressedError feature in Node.js v24.13.0. This flaw allows attackers to execute arbitrary code outside the sandbox environment. The vulnerability is identified as CVE-2026-26332 and has a CVSS score of 9.8, indicating a critical severity level. A proof-of-concept demonstrates how an attacker can leverage error handling to run system commands. The issue is fixed in VM2 version 3.11.0.
References
- github.com/patriksimek/vm2/security/advisories/GHSA-55hx-c926-fr95 (opens in a new tab)
- nvd.nist.gov/vuln/detail/CVE-2026-26332 (opens in a new tab)
- github.com/patriksimek/vm2/commit/119fd0aa1e4c27b08cf37946b2dafa99e2c754f0 (opens in a new tab)
- github.com/patriksimek/vm2/commit/4cb82cc94d9bb6c9a918b45f8c6790c32a5e913f (opens in a new tab)
- github.com/patriksimek/vm2/commit/7395c3a4b01d302e55271c87dbeb44d6b83b81ca (opens in a new tab)
- github.com/patriksimek/vm2/commit/792e16d56ee429ab19e284ed9c545f5e4694fb7d (opens in a new tab)
- github.com/patriksimek/vm2/commit/d715dd88c5aec5bbb4dce03ddf7c3eb3791d0338 (opens in a new tab)
- github.com/patriksimek/vm2 (opens in a new tab)
- github.com/patriksimek/vm2/releases/tag/v3.11.0 (opens in a new tab)