Node.js Permission Model Flaw: process.report FS Write Bypass
CVE-2026-58039 Published on July 31, 2026
A flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) files outside --allow-fs-write paths. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2026-58039 has been classified to as an Authorization vulnerability or weakness.
Affected Versions
nodejs node:- Version 26.5.0, <= 26.5.0 is affected.
- Version 24.18.0, <= 24.18.0 is affected.
- Version 22.23.1, <= 22.23.1 is affected.