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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-44003

vm2: Transformer Fast-Path Bypass Exposes Internal State Variable

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Status
Published
Published
Updated
Assigning organization
GitHub_M

Description

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's code transformer has a performance optimization that skips AST analysis when the code does not contain catch, import, or async keywords. This fast-path bypass allows sandboxed code to directly access the internal VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL variable, which exposes internal security functions (handleException, wrapWith, import). This vulnerability is fixed in 3.11.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

patriksimek vm2

  • < 3.11.0affected

References