Vulnerability in Uutils Coreutils
CVE-2026-35352
A Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mkfifo utility of uutils coreutils. The utility creates a FIFO and then performs a path-based chmod to set permissions. A local attacker with write access to the parent d…
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- security@ubuntu.com (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-35352?
- CVE-2026-35352 is a high-severity vulnerability in Uutils Coreutils, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.0/10. Published 2026-04-22.
- How severe is CVE-2026-35352?
- High severity. CVSS v3 base score is 7.0 out of 10.