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CVE-2026-35362: The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use

14
Routine
LOW 3.6UPGRADE

CVE-2026-35362 is a low-severity flaw (CVSS 3.6) affecting coreutils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like systems such as macOS and FreeBSD, the utility fails to utilize these protections, leaving directory traversal operations vulnerable to symlink race conditions.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score3.6 (Low)
Attack vectorLocal
Attack complexityHigh
Privileges neededLow
User interactionNone
EPSS exploit chance0.2% (top 92%)
CISA exploited listNo
WeaknessCWE-367
Published2026-04-22
Last modified2026-10-26
Publisher (CNA): Canonical Ltd. · Vendor: uutils

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

uutils coreutils UPGRADE
Affected: < 0.6.0
Fixed in: 0.6.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy coreutils || rpm -q coreutils || coreutils --version
2. UPGRADE to 0.6.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade coreutils
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade coreutils
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-35362?

coreutils: upgrade to 0.6.0. Exact commands for each OS are on this page.

Is CVE-2026-35362 being exploited?

CVE-2026-35362 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-35362 affect?

CVE-2026-35362 affects coreutils. Severity is low (CVSS 3.6). The safe_traversal module in uutils coreutils, which provides protection against Time-of-Check to Time-of-Use (TOCTOU) symlink races using file-descriptor-relative syscalls, is incorrectly limited to Linux targets. On other Unix-like system

How urgent is CVE-2026-35362?

Priority 14/100. No elevated risk signals yet.

Software pages

macOS vulnerabilities

Related CVEs

References

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