PatchTheCVECVE-2026-35339: The recursive mode (-R) of the chmod utility in uutils coreutils incorrectly handles exit codes when processin
CVE-2026-35339 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.
The recursive mode (-R) of the chmod utility in uutils coreutils incorrectly handles exit codes when processing multiple files. The final return value is determined solely by the success or failure of the last file processed. This allows the command to return an exit code of 0 (success) even if errors were encountered on previous files, such as 'Operation not permitted'. Scripts relying on these exit codes may proceed under a false sense of succe
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-2026-35339?
coreutils: upgrade to 0.6.0. Exact commands for each OS are on this page.
Is CVE-2026-35339 being exploited?
CVE-2026-35339 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-2026-35339 affect?
CVE-2026-35339 affects coreutils. Severity is medium (CVSS 5.5). The recursive mode (-R) of the chmod utility in uutils coreutils incorrectly handles exit codes when processing multiple files. The final return value is determined solely by the success or failure of the last file processed. This allows th
How urgent is CVE-2026-35339?
Priority 20/100. No elevated risk signals yet.
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