CVE-2026-35364

medium

Description

A Time-of-Check to Time-of-Use (TOCTOU) race condition exists in the mv utility of uutils coreutils during cross-device operations. The utility removes the destination path before recreating it through a copy operation. A local attacker with write access to the destination directory can exploit this window to replace the destination with a symbolic link. The subsequent privileged move operation will follow the symlink, allowing the attacker to redirect the write and overwrite an arbitrary target file with contents from the source.

References

https://github.com/uutils/coreutils/issues/10015

Details

Source: Mitre, NVD

Published: 2026-04-22

Updated: 2026-04-24

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.3

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

Severity: Medium

EPSS

EPSS: 0.00012