Time-of-check Time-of-use (TOCTOU) Race Condition Affecting coreutils package, versions <0.6.0


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-RUST-COREUTILS-16297978
  • published26 Apr 2026
  • disclosed23 Apr 2026
  • creditZellic

Introduced: 23 Apr 2026

NewCVE-2026-35353  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade coreutils to version 0.6.0 or higher.

Overview

Affected versions of this package are vulnerable to Time-of-check Time-of-use (TOCTOU) Race Condition via the mkdir process when the -m flag is used. An attacker can gain unauthorized access to directories intended to be private by exploiting a brief window where the directory is created with broader permissions before being restricted.

CVSS Base Scores

version 4.0
version 3.1