CVE-2026-92942 vm2 - Denial of Service

vm2 <= 3.11.6 contains a denial of service caused by improper enforcement of VM({ timeout }) option allowing sandboxed code to block the host event loop via FinalizationRegistry cleanup callbacks, exploit requires triggering garbage collection.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
EPSS
0.49% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-400

Vendor fix

Upgrade to version 3.11.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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