CVE-2026-91205 PUBLISHED

Cockpit-files: cockpit-files: local attacker can hijack file ownership via symlink race

Assigner: redhat
Reserved: 14.09.2026 Published: 18.09.2026 Updated: 18.09.2026

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.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
CVSS Score: 6

Product Status

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Versions Default: affected
Vendor Red Hat
Product Red Hat Enterprise Linux 9
Versions Default: affected

Credits

  • This issue was discovered by AISLE Research and Found by AISLE in partnership with Red Hat.

References

Problem Types

  • Race Condition Enabling Link Following CWE