HOMEVULNERABILITIESCVE-2026-35340
MEDIUM

CVE-2026-35340

CWE-253Published: April 22, 2026· Updated: Apr 22, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:1.9th

Official Description

A flaw in the ChownExecutor used by uutils coreutils chown and chgrp causes the utilities to return an incorrect exit code during recursive operations. The final exit code is determined only by the last file processed. If the last operation succeeds, the command returns 0 even if earlier ownership or group changes failed due to permission errors. This can lead to security misconfigurations where administrative scripts incorrectly assume that ownership has been successfully transferred across a directory tree.

NVD Source

Technical Analysis

CVE-2026-35340 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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All References (2)

→
https://github.com/uutils/coreutils/pull/10035
→
https://github.com/uutils/coreutils/releases/tag/0.6.0

Quick Facts

CVE IDCVE-2026-35340
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-253
CISA KEVNo
EPSS (30d)0.01%
PublishedApr 22, 2026

Related CVEs (CWE-253)

CVE-2026-35091
8.2
CVE-2026-46419
7.5
CVE-2026-5818
7.2
CVE-2026-35339
5.5
CVE-2026-43863
3.7

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-35340 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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CVE-2026-35340 — CVSS 5.5 MEDIUM | CTIWATCH.COM