CVE-2026-58039 Security feature bypass in node
Node.js Permission Model flaw allows process.report to write files outside allowed paths, bypassing security boundaries in specific configurations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58039?
CVE-2026-58039 is a low-severity vulnerability in nodejs node, published on 31 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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**.
Weakness: CWE-284
Which versions are affected by CVE-2026-58039?
2 open source packages ship an affected version, including node and node-min.
| Package | Affected | Fixed in |
|---|---|---|
node Bitnami | All versions | 22.23.2, 24.18.1, 26.5.1 |
node-min Bitnami | All versions | 22.23.2, 24.18.1, 26.5.1 |
How do I fix CVE-2026-58039?
Upgrade node to a fixed version for your release line: 22.23.2, 24.18.1 or 26.5.1.
Is CVE-2026-58039 being exploited?
There is no known exploitation of CVE-2026-58039 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as ALPINE-CVE-2026-58039, AZL-94343, BELL-CVE-2026-58039, BIT-node-2026-58039, BIT-node-min-2026-58039, CLEANSTART-2026-SR40385 and 12 more.