A flaw in Node.js's permission model allows a file's access and modification timestamps to be changed via `futimes()` even when the process has only read permissions. Unlike `utimes()`, `futimes()` does not apply the expected write-permission checks, which means file metadata can be modified in read-only directories. This behavior could be used to alter timestamps in ways that obscure activity, reducing the reliability of logs. This vulnerability affects users of the permission model on Node.js v20, v22, v24, and v25.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Nodejs
  • Nodejs

No data.

No data.

References
Link Providers
https://nodejs.org/en/blog/vulnerability/december-2025-security-releases cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-55132 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-55132 cve-icon
History

Wed, 21 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-276
Metrics ssvc

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

Wed, 21 Jan 2026 12:15:00 +0000

Type Values Removed Values Added
Title nodejs: Nodejs filesystem permissions bypass
Weaknesses CWE-281
References
Metrics threat_severity

None

 threat_severity

Low

Wed, 21 Jan 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Nodejs
Nodejs nodejs
Vendors & Products Nodejs
Nodejs nodejs

Tue, 20 Jan 2026 20:45:00 +0000

Type Values Removed Values Added
Description A flaw in Node.js's permission model allows a file's access and modification timestamps to be changed via `futimes()` even when the process has only read permissions. Unlike `utimes()`, `futimes()` does not apply the expected write-permission checks, which means file metadata can be modified in read-only directories. This behavior could be used to alter timestamps in ways that obscure activity, reducing the reliability of logs. This vulnerability affects users of the permission model on Node.js v20, v22, v24, and v25.
References
Metrics cvssV3_0

{'score': 2.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-01-21T18:53:03.738Z

Reserved: 2025-08-07T15:00:05.576Z

Link: CVE-2025-55132

cve-icon Vulnrichment

Updated: 2026-01-21T18:43:15.476Z

cve-icon NVD

Status : Received

Published: 2026-01-20T21:16:03.430

Modified: 2026-01-21T19:16:04.007

Link: CVE-2025-55132

cve-icon Redhat

Severity : Low

Publid Date: 2026-01-20T20:41:55Z

Links: CVE-2025-55132 - Bugzilla