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VulnerabilityPublished

CVE-2026-35381: Uutils coreutils · Incorrect Provision of Specified Functionality

Affects Uutils coreutilsSource CVE Database V5

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Not known to be exploited · CVSS 3.3 Low : upgrade to 0.8.0 when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
3.3Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.8.0
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/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 29 Oct 2026.

What to do

Upgrade Uutils coreutils to 0.8.0.

Affected software

ProductAffectedFixed in
UutilscoreutilsAffected
  • <0.8.0
Fixed in
  • 0.8.0
GitHubuutils/coreutilspkg:github/uutils/coreutilsOther threatsAffected
  • =0
Fixed in–
GitHubcoreutilspkg:github/coreutilsOther threatsAffected
  • <0.8.0
Fixed in
  • 0.8.0

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

AI-suggested

Users should avoid using the combination of -s with -z and -d '' in uutils coreutils cut until a fix is available or consult the vendor for updates.

Description

`cut` routes `-z -d ''` through a special newline-delimiter path that ignores the `-s` only-delimited flag, emitting whole undelimited records (plus NUL) that should be suppressed. Pipelines relying on `cut -s` to drop undelimited records process data that should be filtered. ``` printf 'abc' | cut -z -d '' -s -f 1 | od -An -tx1 # GNU: no output ; uutils: 61 62 63 00 ``` --- _Zellic private finding (zellic-ext/coreutils-private PR #102). Reported in the Zellic *uutils coreutils Program Security Assessment* (for Canonical, Jan 2026), audited commit `3a07ffc5a9bd4c283e75afa548ba1f1957bad242`._

References

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