Vulnerability in Node.js Node
CVE-2025-55132
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Node.js Node — versions 20.19.6, 22.21.1, 24.12.0
- Node.js
Weakness classification (CWE)
References
- nodejs.org/en/blog/vulnerability/december-2025-security-releases (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-55132?
- CVE-2025-55132 is a medium-severity vulnerability in Node.js Node, classified under Incorrect Default Permissions. CVSS score: 5.3/10. Published 2026-01-20.
- How severe is CVE-2025-55132?
- Medium severity. CVSS v3 base score is 5.3 out of 10.