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CVE-2026-58039

3.3 · LOW

A flaw in Node.js Permission Model enforcement allows process.report writes (and overwrites) files outside --allow-fs-write paths.

Published Jul 31, 2026CWE-284EPSS 0.15%

Overview

CVE-2026-58039 is a low-severity vulnerability. It was published on July 31, 2026 and has a CVSS 3.0 base score of 3.3 (LOW).

This vulnerability has a CVSS 3.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

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**.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refnodejs.org/en/blog/vulnerability

How CyberStrike helps

Frequently asked questions

What is CVE-2026-58039?

CVE-2026-58039 is a low-severity vulnerability. It was published on July 31, 2026 and has a CVSS 3.0 base score of 3.3 (LOW).

How severe is CVE-2026-58039?

This vulnerability has a CVSS 3.0 base score of 3.3, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-58039?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-58039?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-58039 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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