Vulnerability · Published Oct 12, 2026 · Assigned by VulDB
CVE-2026-108924getkirby Kirby Dynamic Option Generation OptionsQuery.php resolve authorization
Medium 4.3
In plain English
A medium-severity authorization bypass via user-controlled key in Kirby from getkirby. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
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.
Affected products (as reported)
Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
References
- VDB-416748 | getkirby Kirby Dynamic Option Generation OptionsQuery.php resolve authorization vdb-entry, technical-description
- VDB-416748 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-108924 | CVE Analysis and Report third-party-advisory
- Submit #997196 | getkirby Kirby CMS 5.6.0 Missing Authorization (CWE-862) third-party-advisory
- https://github.com/getkirby/kirby/security/advisories/GHSA-8r9g-hhm3-5jfh related
- https://github.com/getkirby/kirby/security/advisories/GHSA-ch57-pqv8-vm6h broken-link
- https://github.com/getkirby/kirby/releases/tag/4.9.6 patch
- https://github.com/getkirby/kirby/ product