What is CVE-2026-56847?

CVE-2026-56847 is a medium-severity vulnerability in Node.js Node, classified under CWE-1119. CVSS score: 6.1/10. Published 2026-07-30.

How severe is CVE-2026-56847?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Node.js Node

CVE-2026-56847

A flaw in Node.js Permission Model enforcement allows `trace_events.createTracing().enable()` Writes Trace Logs Outside `--allow-fs-write`. This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations. This vulnerability affects Node.js **22.x**, **24.x**, and **26.x**.

EPSS: 0.002 (5.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

Affected products

Nodejs Node — versions 26.5.0, 24.18.0, 22.23.1
Nodejs Node.js

Weakness classification (CWE)

CWE-1119

References

support@hackerone.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-56847?: CVE-2026-56847 is a medium-severity vulnerability in Node.js Node, classified under CWE-1119. CVSS score: 6.1/10. Published 2026-07-30.
How severe is CVE-2026-56847?: Medium severity. CVSS v3 base score is 6.1 out of 10.