Vulnerability in Getkirby Kirby
CVE-2026-34587
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for e…
EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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_CONFIRM, Patch, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-34587?
- CVE-2026-34587 is a high-severity vulnerability in Getkirby Kirby, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 8.1/10. Published 2026-04-24.
- How severe is CVE-2026-34587?
- High severity. CVSS v3 base score is 8.1 out of 10.