# CVE-2026-35375

> Vulnerability · severity: **LOW** (CVSS 3.3).

## Description

A logic error in the split utility of uutils coreutils causes the corruption of output filenames when provided with non-UTF-8 prefix or suffix inputs. The implementation utilizes to_string_lossy() when constructing chunk filenames, which automatically rewrites invalid byte sequences into the UTF-8 replacement character (U+FFFD). This behavior diverges from GNU split, which preserves raw pathname bytes intact. In environments utilizing non-UTF-8 encodings, this vulnerability leads to the creation of files with incorrect names, potentially causing filename collisions, broken automation, or the misdirection of output data.

## Key facts

- **CVE ID:** CVE-2026-35375
- **Published:** 2026-04-22
- **CVSS severity:** LOW
- **CVSS base score:** 3.3
- **CWE codes:** CWE-176

## Affected products

- `uutils:coreutils`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-35375

## Citation

> AI Analytics. CVE-2026-35375. Retrieved 2026-07-10 from https://api.ai-analytics.org/cve/CVE-2026-35375. Derived from NIST NVD. Licensed CC0.

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