CVE-2026-58043: A flaw in Node.js Permission Model enforcement can over-grant filesystem access across radix-tree prefix boundaries. …
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**.
- Published by source
- 2026-07-30
- First seen by Reality Radar
- 2026-10-24
- Last verified
- 2026-10-24
Affected
- Manufacturer
- nodejs
- Products
- node.js
- Versions
- <=22.23.1 <=24.18.0 <=26.5.0
- CPE
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
Whether your exact unit is affected depends on the model, serial number and region in the official notice.
What the official notice says
Risk: CVSS 8.4
Is this affecting you?
Add what you own or use and Reality Radar will tell you when official changes match it — with evidence and next steps.
Sources
- NIST National Vulnerability Database Tier A · official published 2026-07-30
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #1506 | new | 2026-10-24 | 7a8627b10383…9d97e3 | d8b0987570f1…cef113 |
Chain head: #1565 7d9afd922511…68b9c7