What is CVE-2026-35374?

CVE-2026-35374 is a medium-severity vulnerability in Uutils Coreutils, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.3/10. Published 2026-04-22.

How severe is CVE-2026-35374?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Uutils Coreutils

CVE-2026-35374

A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the split utility of uutils coreutils. The program attempts to prevent data loss by checking for identity between input and output files using their file paths before initiati…

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.000 (2.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Uutils Coreutils

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

security@ubuntu.com (issue-tracking, patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-35374?: CVE-2026-35374 is a medium-severity vulnerability in Uutils Coreutils, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 6.3/10. Published 2026-04-22.
How severe is CVE-2026-35374?: Medium severity. CVSS v3 base score is 6.3 out of 10.