Missing Authorization in Kirby - CVE-2026-42069
Published: April 23, 2026
Vulnerability identifier: #VU127198
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-42069
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to missing authorization in site, user, and role information access controls when handling authenticated Panel requests. A remote user can access site, user, and role information to disclose sensitive information.
Write actions are not affected.
Affected software
Kirby
How to mitigate CVE-2026-42069
Install security update from vendor's website.
Kirby - addressed in versions 4.9.0, 5.4.0