CVE-2026-35356
Duplicate Advisory: uutils coreutils has a Time-of-Check to Time-of-Use (TOCTOU) race condition
Description
A Time-of-Check to Time-of-Use (TOCTOU) vulnerability exists in the install utility of uutils coreutils when using the -D flag. The command creates parent directories and subsequently performs a second path resolution to create the target file, neither of which is anchored to a directory file descriptor. An attacker with concurrent write access can replace a path component with a symbolic link between these operations, redirecting the privileged write to an arbitrary file system location.
How to fix CVE-2026-35356
To remediate CVE-2026-35356, upgrade the affected package to a fixed version below.
- —upgrade to 0.7.0 or later
- —upgrade to 0.7.0 or later
Is CVE-2026-35356 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.7.0
- from 0, < 0.7.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H |