CVE-2026-58043
High
Description
A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries. Under `--permission`, an attacker who is granted access to one path can abuse boundary handling to read from or write to paths outside the intended filesystem allowlist. This vulnerability affects Node.js **main**, **22.x**, **24.x**, and **26.x**.
SeverityHigh
CVSS8.4
Exploit probability3. percentile0.1%
Product
Nodejs Node.js
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-284Improper access control
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nodejs node.js | 22.0 ≤ v ≤ 22.23.1, 24.0.0 ≤ v ≤ 24.18.0, 26.0.0 ≤ v ≤ 26.5.0 | — |
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