CVE-2026-92960 vm2 - Sandbox Escape

vm2 before 3.11.6 contains a sandbox escape caused by failure to restrict access to os and dns builtins under builtin: ['*'] configuration, letting attackers hijack host DNS resolver globally, exploit requires crafted sandbox code.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.47% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Sandbox Escape
Impact
Man In The Middle, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
Published
17 September 2026
Updated
15 October 2026
Weakness
CWE-200

Vendor fix

Upgrade to version 3.11.6 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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