What is 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**.
The record classifies CVE-2026-48617 under weakness class CWE-284. Its CVSS v3 base vector states that the flaw requires local access to the host, needs high-privilege credentials, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 143 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 1.8 — LOW
CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N - EPSS (FIRST)
- 0.3% probability of exploitation in the next 30 days, higher than 22.6% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 1.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-06-18
Is CVE-2026-48617 being exploited?
It currently carries a trending score of 12 in the Threadlinqs vulnerability feed.
Affected products and versions
- nodejs: node
How to fix CVE-2026-48617
No vendor patch reference has been recorded for CVE-2026-48617 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-48617
1 tracked threat in the Threadlinqs corpus references CVE-2026-48617, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on .