What is CVE-2026-35376?

CVE-2026-35376 is a medium-severity vulnerability in Uutils Coreutils, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.5/10. Published 2026-04-22.

How severe is CVE-2026-35376?

Medium severity. CVSS v3 base score is 4.5 out of 10.

Vulnerability in Uutils Coreutils

CVE-2026-35376

A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the chcon utility of uutils coreutils during recursive operations. The implementation resolves recursive targets using a fresh path lookup (via fts_accpath) rather than bindin…

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

EPSS: 0.000 (2.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Uutils Coreutils — versions 0

Weakness classification (CWE)

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

References

security@ubuntu.com (issue-tracking, patch, Issue Tracking)
security@ubuntu.com (vendor-advisory, Release Notes)

Frequently asked questions

What is CVE-2026-35376?: CVE-2026-35376 is a medium-severity vulnerability in Uutils Coreutils, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.5/10. Published 2026-04-22.
How severe is CVE-2026-35376?: Medium severity. CVSS v3 base score is 4.5 out of 10.