Vulnerability in Uutils Coreutils
CVE-2026-35356
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the install utility of uutils coreutils when using the -D flag. The command creates parent directories and subsequently performs a second path resolution to create the target…
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.001 (1.4th 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 — versions 0
Weakness classification (CWE)
References
- security@ubuntu.com (issue-tracking, Patch, patch, Issue Tracking)
- security@ubuntu.com (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2026-35356?
- CVE-2026-35356 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-2026-35356?
- Medium severity. CVSS v3 base score is 6.3 out of 10.