Missing Authorization in udisks - CVE-2026-26103
Published: February 27, 2026
Vulnerability identifier: #VU123338
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-26103
CWE-ID: CWE-862
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Freedesktop.org
Affected software:
udisks
udisks
Detailed vulnerability description
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to missing authorization. A local user can cause udisksd (root) to overwrite the LUKS header and perform a denial of service (DoS) attack.
How to mitigate CVE-2026-26103
Install updates from vendor's website.