Auth bypass in Getkirby Kirby
CVE-2026-108924
A vulnerability was identified in getkirby Kirby up to 4.9.5/5.5.3. Affected by this issue is the function OptionsQuery::resolve of the file src/Option/OptionsQuery.php of the component Dynamic Option Generation. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. Upgrading to version 4.9.6 and 5.6.0 can resolve this issue. You should upgrade the affected component.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Getkirby Kirby — versions 4.9.0, 4.9.1, 4.9.2
Weakness classification (CWE)
References
- vuldb.com/vuln/416748 (technical-description, vdb-entry)
- vuldb.com/vuln/416748/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108924 (third-party-advisory)
- vuldb.com/submit/997196 (third-party-advisory)
- github.com/getkirby/kirby/security/advisories/GHSA-8r9g-hhm3-5jfh (related)
- github.com/getkirby/kirby/security/advisories/GHSA-ch57-pqv8-vm6h (broken-link)
- github.com/getkirby/kirby/releases/tag/4.9.6 (patch)
- github.com/getkirby/kirby/ (product)
Frequently asked questions
- What is CVE-2026-108924?
- CVE-2026-108924 is a medium-severity vulnerability in Getkirby Kirby, classified under Improper Authorization. CVSS score: 4.3/10. Published 2026-10-12.
- How severe is CVE-2026-108924?
- Medium severity. CVSS v3 base score is 4.3 out of 10.