CVE-2026-42137
MEDIUMKirby: `pages.access/list` and `files.access/list` permissions are not consistently checked in the REST API and changes dialog
Title source: cnaDescription
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, `pages.access/list` and `files.access/list` permissions are not consistently checked in the Panel and REST API. This issue has been patched in versions 4.9.0 and 5.4.0.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/getkirby/kirby/security/advisories/GHSA-85x2-r8xv-ww8c
X_Refsource_Misc x_refsource_misc
https://github.com/getkirby/kirby/releases/tag/4.9.0
X_Refsource_Misc x_refsource_misc
https://github.com/getkirby/kirby/releases/tag/5.4.0
Scores
CVSS v3
6.5
EPSS
0.0030
EPSS Percentile
21.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
CWE-863
Status
published
Products (2)
getkirby/kirby
< 4.9.0 (2 CPE variants)
getkirby/kirby
>= 5.0.0, < 5.4.0
Published
May 09, 2026
Tracked Since
May 09, 2026