CVE-2026-35340: A flaw in the ChownExecutor used by uutils coreutils chown and chgrp causes the utilities to return an incorre
CVE-2026-35340 is a medium-severity flaw (CVSS 5.5) affecting coreutils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 owne
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-253 |
| Published | 2026-04-22 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2026-35340?
coreutils: upgrade to 0.6.0. Exact commands for each OS are on this page.
Is CVE-2026-35340 being exploited?
CVE-2026-35340 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-2026-35340 affect?
CVE-2026-35340 affects coreutils. Severity is medium (CVSS 5.5). 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
How urgent is CVE-2026-35340?
Priority 20/100. No elevated risk signals yet.
Related CVEs
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