CVE-2026-48617

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-18 · updated 2026-10-26
Weakness: CWE-284

Description

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**.

Affected products

Node.js: from 22.0.0 through 22.22.3; from 24.0.0 through 24.16.0; from 26.0.0 through 26.3.0

References

http://hackerone.com/reports/3692858
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

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