CVE-2026-44003

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...

GHSA-WP5R-2GW5-M7Q7 vm2's Transformer Fast-Path Bypass Exposes Internal State Variable

Summary 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 VM2INTERNALSTATEDONOTUSEORPROGRAMWILLFAIL variable, which exposes...

PT-2026-38394

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description A performance optimization in the code transformer skips AST Abstract Syntax Tree analysis when the code does not contain the keywords catch, import, or async. This fast-path bypass allows sandboxed cod...