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CVE-2026-91205

Fixed in a distro release EPSS <1%CVSS 6.0

A flaw was found in cockpit-files. A local unprivileged attacker can exploit a race condition during directory creation with owner assignment. By controlling a writable parent directory, the attacker can replace a newly created directory with a symbolic link (symlink) before the ownership change operation (chown) is applied. This allows the attacker to redirect the ownership change to an arbitrary file, potentially leading to information disclosure or unauthorized modification of sensitive files.

Published 2026-09-18 · CVE record · OSV

Products: Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10

Distro releases

ReleasePackageFixed in
AlmaLinux 9cockpit-files36.1-1.el9_8
Debian 14cockpit-files45-1
Red Hat Enterprise Linux 9cockpit-files0:36.1-1.el9_8
Rocky Linux 9cockpit-files0:36.1-1.el9_8
Ubuntu 26.04 LTScockpit-filesno fix
Ubuntu 26.10cockpit-filesno fix