Arbitrary node_modules Directory Deletion in Google zx_CVE-2025-13437

5.6 / 10

MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H/E:U

Description

When zx is invoked with --prefer-local=<path>, the CLI creates a symlink named ./node_modules pointing to <path>/node_modules. Due to a logic error in src/cli.ts (linkNodeModules / cleanup), the function returns the target path instead of the alias (symlink path). The later cleanup routine removes what it received, which deletes the target directory itself. Result: zx can delete an external <path>/node_modules outside the current working directory.

Basic Information

ID CVE-2025-13437

Source Google

Published Nov 20, 2025 at 16:25

Modified Nov 20, 2025 at 16:49

Affected Product

Vendor Google

Product zx

Version 8.8.4

Affected Versions Google zx 8.8.4

CWE Classification

CWE-706

References

github.com /google/zx/issues/1348

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    "published": "2025-11-20T16:25:16.866Z",
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