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CVE-2025-55132

Published: 1/20/2026 Last updated: 1/21/2026 Reserved: 8/7/2025

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.

CNA assigner: hackerone (36234546-b8fa-4601-9d6f-f4e334aa8ea1) Requested by: n/a

Metrics

Version Score Severity Vector String
3.0 2.8 Low CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Opam packages affected (1)

conf-npm

Products affected (1)

Product Vendor Version
node nodejs 10.5.8

References (2)