What is CVE-2026-35347?

CVE-2026-35347 is a medium-severity vulnerability in Uutils Coreutils, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2026-04-22.

How severe is CVE-2026-35347?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Improper input validation in Uutils Coreutils

CVE-2026-35347

The comm utility in uutils coreutils incorrectly consumes data from non-regular file inputs before performing comparison operations. The are_files_identical function opens and reads from both input paths to compare content without first ve…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (6.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Uutils Coreutils — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/uutils/coreutils/pull/9545 (patch, issue-tracking)
github.com/uutils/coreutils/releases/tag/0.6.0 (vendor-advisory)

Frequently asked questions

What is CVE-2026-35347?: CVE-2026-35347 is a medium-severity vulnerability in Uutils Coreutils, classified under Improper Input Validation. CVSS score: 4.4/10. Published 2026-04-22.
How severe is CVE-2026-35347?: Medium severity. CVSS v3 base score is 4.4 out of 10.