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VulnerabilityPublished Updated

CVE-2026-35341: Rust coreutils · A vulnerability in uutils coreutils mkfifo allows for the unauthorized modification

Affects rust-coreutilsSource GCVE Database

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Authoritative record:CVE-2026-35341· High 7.1

Not known to be exploited · CVSS 7.1 High : upgrade to 0.10.0-1ubuntu1 soon.

Data as of 10 Nov 2026, 06:17 UTC

CVSS 3.1 base score
7.1High
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 0.10.0-1ubuntu1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

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

Upgrade the Ubuntu rust-coreutils package to 0.10.0-1ubuntu1.

Affected software

ProductAffectedFixed in
Ubuntu 26.10rust-coreutilspkg:deb/ubuntu/rust-coreutils?arch=source&distro=stonkingOther threatsAffected
  • <0.10.0-1ubuntu1
Fixed in
  • 0.10.0-1ubuntu1
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

Apply the official patch by upgrading rust-coreutils to version 0.10.0-1ubuntu1 or later, where this issue is fixed. No other mitigations are indicated by the vendor advisory.

Description

A vulnerability in the uutils coreutils mkfifo command allows unauthorized modification of file permissions when mkfifo fails to create a FIFO due to an existing file. Instead of terminating, mkfifo proceeds to reset the existing file's permissions to default, potentially exposing sensitive files such as SSH private keys. This affects multiple versions of rust-coreutils prior to 0.10.0-1ubuntu1. A fix is available in version 0.10.0-1ubuntu1.

References

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