PatchTheCVECVE-2026-35380: A logic error in the cut utility of uutils coreutils causes the program to incorrectly interpret the literal t
CVE-2026-35380 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 logic error in the cut utility of uutils coreutils causes the program to incorrectly interpret the literal two-byte string '' (two single quotes) as an empty delimiter. The implementation mistakenly maps this string to the NUL character for both the -d (delimiter) and --output-delimiter options. This vulnerability can lead to silent data corruption or logic errors in automated scripts and data pipelines that process strings containing these cha
Why this priority
- Public exploit reference
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 | 0.2% (top 95%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| 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-2026-35380?
coreutils: upgrade to 0.8.0. Exact commands for each OS are on this page.
Is CVE-2026-35380 being exploited?
CVE-2026-35380 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-2026-35380 affect?
CVE-2026-35380 affects coreutils. Severity is medium (CVSS 5.5). A logic error in the cut utility of uutils coreutils causes the program to incorrectly interpret the literal two-byte string '' (two single quotes) as an empty delimiter. The implementation mistakenly maps this string to the NUL character f
How urgent is CVE-2026-35380?
Priority 25/100. Public exploit reference
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