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OpenAdvisories
High · 7.1 CVE-2026-42137 EUVD-2026-28889GHSA-85x2-r8xv-ww8c

Kirby: `pages.access/list` and `files.access/list` permissions are not consistently checked in the REST API and changes dialog

Published May 9, 2026 · Updated May 12, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
getkirby kirby < 4.9.0, >= 5.0.0, < 5.4.0 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist getkirby/cms < 4.9.0 4.9.0 GHSA-85x2-r8xv-ww8c
Packagist getkirby/cms >= 5.0.0, < 5.4.0 5.4.0 GHSA-85x2-r8xv-ww8c

References