VULNERABILITY INTELLIGENCE

CVE-2026-35356

CVSS score6.3 MEDIUM
EPSS probability0.11%
CISA KEVNot currently listed
Published2026-04-22
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

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.

Weakness classification

  • security@ubuntu.com: CWE-367

Primary references