Vulnerability in Node.js Node
CVE-2026-48617
A flaw in Node.js Permission Model enforcement allows Bypass via `process.report.writeReport()` Path Misvalidation. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Node.js Node — versions 22.22.3, 24.16.0, 26.3.0
- Node.js
Weakness classification (CWE)
References
- nodejs.org/en/blog/vulnerability/june-2026-security-releases (Vendor Advisory)
- hackerone.com/reports/3692858 (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2026-48617?
- CVE-2026-48617 is a high-severity vulnerability in Node.js Node, classified under Improper Access Control. CVSS score: 8.2/10. Published 2026-06-18.
- How severe is CVE-2026-48617?
- High severity. CVSS v3 base score is 8.2 out of 10.