CVE-2026-92934

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.

CVSS v3 9.0 CRITICAL

9.0^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/patriksimek/vm2/security/advisories/GHSA-x965-fc75-jpqh
https://www.vulncheck.com/advisories/vm2-before-3.11.8-sandbox-escape-rce-via-aggregateerror
https://github.com/patriksimek/vm2/security/advisories/GHSA-x965-fc75-jpqh

Configurations

No configuration.

History

17 Sep 2026, 15:17

Type	Values Removed	Values Added
References	~~() https://github.com/patriksimek/vm2/security/advisories/GHSA-x965-fc75-jpqh -~~	() https://github.com/patriksimek/vm2/security/advisories/GHSA-x965-fc75-jpqh -

17 Sep 2026, 14:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 14:17

Updated : 2026-09-17 15:17

NVD link : CVE-2026-92934

Mitre link : CVE-2026-92934

CVE.ORG link : CVE-2026-92934

JSON object : View

Products Affected

No product.

CWE

CWE-693

Protection Mechanism Failure

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