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Description

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.

PUBLISHED Reserved 2026-04-24 | Published 2026-05-09 | Updated 2026-05-09 | Assigner GitHub_M




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-862: Missing Authorization

CWE-863: Incorrect Authorization

Product status

< 4.9.0
affected

>= 5.0.0, < 5.4.0
affected

References

github.com/.../kirby/security/advisories/GHSA-85x2-r8xv-ww8c

github.com/getkirby/kirby/releases/tag/4.9.0

github.com/getkirby/kirby/releases/tag/5.4.0

cve.org (CVE-2026-42137)

nvd.nist.gov (CVE-2026-42137)

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