#VU124814 Incorrect authorization in cups - CVE-2026-27447

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Main Vulnerability Database Vulnerabilities #VU124814

#VU124814 Incorrect authorization in cups - CVE-2026-27447

Published: April 2, 2026


Vulnerability identifier: #VU124814
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-27447
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
cups
Software vendor:
OpenPrinting

Description

The vulnerability allows a remote user to gain unauthorized access to restricted operations.

The vulnerability exists due to improper access control in the CUPS daemon (cupsd) when performing authorization checks. A remote privileged user can exploit case-insensitive username comparison during group-member lookup to gain unauthorized access to restricted operations.

User interaction is required to exploit this vulnerability.


Remediation

Install security update from vendor's website.

External links