CVE-2026-92934 vm2 before 3.11.8 Sandbox Escape RCE via AggregateError
Attackers can escape the vm2 sandbox to execute arbitrary code and disclose process information by exploiting a flaw in AggregateError handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-92934?
CVE-2026-92934 is a critical code injection vulnerability in patriksimek vm2, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
vm2 before 3.11.8 contains an incomplete fix for Error.cause sanitization that allows sandbox escape when revisited host-wrapped AggregateError objects are caught within a single exception handler traversal. Attackers can exploit cycle detection bypass in handleException to access unsanitized host proxies embedded in the errors array, enabling full remote code execution and process information disclosure from the sandbox.
Weakness: CWE-693
Which versions are affected by CVE-2026-92934?
2 open source packages ship an affected version, including vm2.
| Package | Affected | Fixed in |
|---|---|---|
vm2 npm | All versions | 3.11.8 |
vm2 npm | All versions | 3.11.8 |
How do I fix CVE-2026-92934?
Upgrade vm2 to 3.11.8 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-92934 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92934 exists.
Sources
Also known as CLEANSTART-2026-ZC70101, ECHO-fee7-cbd6-d0aa, GHSA-x965-fc75-jpqh, MINI-ccqw-8399-6rh9, ROOT-APP-NPM-CVE-2026-92934.