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CRITICAL

CVE-2026-92955

CVSS v3

10

CRITICAL

EPSS Score

0.7 %

exploit probability, as of 2026-09-29

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.

Technical details

Published
2026-09-17
Last Modified
2026-09-17

Frequently asked questions

What is CVE-2026-92955?

vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.

Is CVE-2026-92955 actively exploited?

Active exploitation of CVE-2026-92955 has not been confirmed. Its EPSS score was 0.7% on 2026-09-29, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-92955?

CVE-2026-92955 has a CVSS v3 base score of 10 (CRITICAL severity).

Is CVE-2026-92955 affecting your environment?

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