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


Severity

Recommended
0.0
high
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-16297969
  • published26 Apr 2026
  • disclosed23 Apr 2026
  • creditZellic

Introduced: 23 Apr 2026

NewCVE-2026-35352  (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 in the mkfifo process. An attacker can gain elevated privileges by exploiting a race condition to replace the FIFO with a symbolic link before permissions are set, causing the operation to affect an unintended file.

References

CVSS Base Scores

version 4.0
version 3.1