Incorrect Authorization Affecting getkirby/cms package, versions <4.9.0>=5.0.0, <5.4.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published4 May 2026
- disclosed30 Apr 2026
- creditUnknown
Introduced: 30 Apr 2026
NewCVE-2026-42137 (opens in a new tab)How to fix?
Upgrade getkirby/cms to version 4.9.0, 5.4.0 or higher.
Overview
Affected versions of this package are vulnerable to Incorrect Authorization inconsistent permission checks for pages.access, pages.list, files.access, and files.list in the Panel and REST API. An attacker can gain unauthorized access to content or sensitive information by exploiting insufficient authorization checks in collections, related models, and UI elements. This is only exploitable if user roles are configured to restrict access or listing of pages or files.