CVE-2026-42137

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

State: Published
Severity: 7.1 High
Published: May 9, 2026
Updated: May 12, 2026
Reserved: Apr 24, 2026

Read the record on cve.org

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.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	GitHub_M

Weaknesses

CWE-862 Missing Authorization
CWE-863 Incorrect Authorization

Affected Products

Product	Versions
kirbygetkirby	< 4.9.0Affected >= 5.0.0, < 5.4.0Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.