SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-58039

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

LOW 3.3EPSS 0.15%

Does this matter?

Lower severity and a low EPSS score (0.15%). Track it; it rarely justifies an emergency change on its own.

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**.

CVSS 3.0
3.3 LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.15% probability · 5th percentile
CISA KEV
Not listed
Weakness
CWE-284
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.