CVE-2026-42137CWE-862CWE-863

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

High · published May 9, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
33.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
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
EPSS
0.00402 · 33.3th percentile
Weaknesses
CWE-862 · Missing Authorization; CWE-863 · Incorrect Authorization
Published
2026-05-09T03:38Z
EPSS history
Timeline
  • 09 MAY 03:38Z
    Kirby: `pages.access/list` and `files.access/list` permissions are not consistently checked in the REST API and changes dialog
    cvelistv5