CVE-2026-43998 vm2: NodeVM require.root bypass via symlink traversal allows sandbox escape

vm2 is an open source vm/sandbox for Node.js. In 3.10.5, NodeVM's require.root path restriction can be bypassed using filesystem symlinks, allowing sandboxed code to load modules from outside the allowed root directory in host context. Because path validation uses path.resolve which does not...

GHSA-CP6G-6699-WX9C vm2 has a NodeVM require.root bypass via symlink traversal that allows sandbox escape

Summary NodeVM's require.root path restriction can be bypassed using filesystem symlinks, allowing sandboxed code to load modules from outside the allowed root directory in host context. Because path validation uses path.resolve which does not dereference symlinks but module loading uses Node's...

vm2 has a NodeVM require.root bypass via symlink traversal that allows sandbox escape

Summary NodeVM's require.root path restriction can be bypassed using filesystem symlinks, allowing sandboxed code to load modules from outside the allowed root directory in host context. Because path validation uses path.resolve which does not dereference symlinks but module loading uses Node's...