Time-of-check Time-of-use (TOCTOU) Race Condition Affecting coreutils package, versions >=0.0.0


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-16297968
  • published26 Apr 2026
  • disclosed23 Apr 2026
  • creditZellic

Introduced: 23 Apr 2026

NewCVE-2026-35357  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

There is no fixed version for coreutils.

Overview

Affected versions of this package are vulnerable to Time-of-check Time-of-use (TOCTOU) Race Condition through a race condition in the cp process. An attacker can access sensitive file contents by opening the destination file during the brief window after it is created with broader permissions but before its permissions are restricted.

References

CVSS Base Scores

version 4.0
version 3.1