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VulnerabilityPublished Updated

CVE-2026-35351: Rust coreutils · The mv utility in uutils coreutils fails to preserve file ownership during moves

Affects rust-coreutilsSource GCVE Database

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Authoritative record:CVE-2026-35351· Medium 4.2

Not known to be exploited · CVSS 4.2 Medium.

Data as of 10 Nov 2026, 06:17 UTC

CVSS 3.1 base score
4.2Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.04 LTSrust-coreutilspkg:deb/ubuntu/rust-coreutils?arch=source&distro=resoluteOther threatsAffected
  • 0.2.2-0ubuntu2 – 0.10.0-1ubuntu2~26.04.1
8 affected builds
Fixed in–
Ubuntu 25.10rust-coreutilspkg:deb/ubuntu/rust-coreutils?arch=source&distro=questingOther threatsAffected
  • 0.0.30-1 – 0.2.2-0ubuntu2.1
16 affected builds
Fixed in–
Ubuntu 24.04 LTSrust-coreutilspkg:deb/ubuntu/rust-coreutils?arch=source&distro=nobleOther threatsAffected
  • 0.0.20-1 – 0.0.24-2
7 affected builds
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until a fix is available, users should be cautious when moving files across filesystem boundaries using this utility, especially when operating with elevated privileges.

Description

The mv utility in the rust-coreutils package fails to preserve file ownership when moving files across different filesystem boundaries. Instead of retaining the original file's UID/GID, the fallback copy-and-delete process assigns ownership to the user performing the move, which can cause files moved by privileged users to become root-owned unexpectedly. This behavior can disrupt backups and migrations, potentially leading to information disclosure or access restrictions for the intended file owners.

References

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