What is CVE-2026-35359?

CVE-2026-35359 is a medium-severity vulnerability in Uutils Coreutils, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2026-04-22.

How severe is CVE-2026-35359?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Uutils Coreutils

CVE-2026-35359

A Time-of-Check to Time-of-Use (TOCTOU) vulnerability in the cp utility of uutils coreutils allows an attacker to bypass no-dereference intent. The utility checks if a source path is a symbolic link using path-based metadata but subsequent…

EPSS: 0.001 (1.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Uutils Coreutils

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access
CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

security@ubuntu.com (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-35359?: CVE-2026-35359 is a medium-severity vulnerability in Uutils Coreutils, classified under Improper Link Resolution Before File Access. CVSS score: 4.7/10. Published 2026-04-22.
How severe is CVE-2026-35359?: Medium severity. CVSS v3 base score is 4.7 out of 10.