Auth bypass in Getkirby Kirby
CVE-2026-42069
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, read access to site, user and role information is not gated by permissions. This issue has been patched in versions 4.9.0 and 5.4.0.
Vulnerability class: Broken Access Control
EPSS: 0.000 (7.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Getkirby Kirby — versions < 4.9.0, >= 5.0.0, < 5.4.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-42069?
- CVE-2026-42069 is a medium-severity vulnerability in Getkirby Kirby, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-05-09.
- How severe is CVE-2026-42069?
- Medium severity. CVSS v3 base score is 6.5 out of 10.