CVE-2025-23083

nodejs: Node.js Worker Thread Exposure via Diagnostics Channel

Published Jan 22, 2025 CVSS 3.0 · 7.7 High EPSS < 1% KEV · Not listed
Description
With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage.

This vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-3111 With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. This vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23.
History
Type Values Removed Values Added
Metrics epss

{'score': 7e-05}

epss

{'score': 8e-05}

Type Values Removed Values Added
Metrics epss

{'score': 5e-05}

epss

{'score': 7e-05}

Type Values Removed Values Added
First Time appeared Redhat rhel Eus
CPEs cpe:/a:redhat:rhel_eus:9.4
Vendors & Products Redhat rhel Eus
Type Values Removed Values Added
CPEs cpe:/a:redhat:enterprise_linux:9
Type Values Removed Values Added
First Time appeared Redhat
Redhat enterprise Linux
CPEs cpe:/a:redhat:enterprise_linux:8
Vendors & Products Redhat
Redhat enterprise Linux
Type Values Removed Values Added
Weaknesses CWE-284
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title nodejs: Node.js Worker Thread Exposure via Diagnostics Channel
Weaknesses CWE-863
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Description With the aid of the diagnostics_channel utility, an event can be hooked into whenever a worker thread is created. This is not limited only to workers but also exposes internal workers, where an instance of them can be fetched, and its constructor can be grabbed and reinstated for malicious usage. This vulnerability affects Permission Model users (--permission) on Node.js v20, v22, and v23.
References
Metrics cvssV3_0

{'score': 7.7, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Feb 26, 2026, 7:08 PM
Reserved
Jan 10, 2025, 7:05 PM
Status
Deferred
Published
Jan 22, 2025, 2:15 AM
Modified
Jun 17, 2026, 8:51 AM
Severity
Important
Public date
Jan 22, 2025, 1:11 AM