# CVE-2026-108924: Getkirby Kirby authorization bypass in Dynamic Option Generation

Source: https://junglewise.ai/threats/cve-2026-108924-a-vulnerability-was-identified-in-getkirby-kirby-up-to-4-9-5-5-5  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-12. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-108924 · Severity: medium · CVSS 4.3 · Published 2026-10-12

Kirby is a file-based content management system. An authorization bypass vulnerability in the Dynamic Option Generation component allows attackers to bypass access controls remotely. An attacker could potentially access or modify content they should not have permission to view or change.

Technologies: [Getkirby Kirby](https://junglewise.ai/threats/technologies/getkirby-kirby-1). Vendors: [Getkirby](https://junglewise.ai/threats/vendors/getkirby).

## Quick answers

**Is CVE-2026-108924 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-108924 being exploited in the wild.

**How severe is CVE-2026-108924?** Medium severity, with a CVSS score of 4.3, published 12 October 2026.

**Which products and versions are affected?** Getkirby Kirby up to 4.9.5 and 5.5.3.

**Is there a fix for CVE-2026-108924?** Yes: fixed in Kirby 4.9.6, 5.6.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-108924 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-108924?** Check whether you run Getkirby Kirby at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in Kirby 4.9.6, 5.6.0

## Technical details

The OptionsQuery::resolve function in src/Option/OptionsQuery.php fails to properly enforce authorization checks, allowing an attacker to bypass access controls through remote network requests. No special authentication or user interaction is required. The vulnerability affects Kirby versions up to 4.9.5 and 5.5.3; fixes are available in versions 4.9.6 and 5.6.0.

## Affected products

- Getkirby Kirby up to 4.9.5 and 5.5.3

## Timeline

- 2026-10-12: disclosed

## References

- [https://github.com/getkirby/kirby/](https://github.com/getkirby/kirby/)
- [https://github.com/getkirby/kirby/releases/tag/4.9.6](https://github.com/getkirby/kirby/releases/tag/4.9.6)

## Related threats

- [Kirby is vulnerable to authorization bypass during page, file and user creation via blueprint injection](https://junglewise.ai/threats/cve-2026-41325-kirby-is-vulnerable-to-authorization-bypass-during-page-file-and)
- [Kirby's page creation API bypasses the changeStatus permission check via unfiltered isDraft parameter](https://junglewise.ai/threats/cve-2026-40099-kirby-s-page-creation-api-bypasses-the-changestatus-permission)
- [Kirby has Server-Side Template Injection (SSTI) via double template resolution in option rendering](https://junglewise.ai/threats/cve-2026-34587-kirby-has-server-side-template-injection-ssti-via-double-template)
- [Kirby has XML injection in its XML creator toolkit](https://junglewise.ai/threats/cve-2026-32870-kirby-has-xml-injection-in-its-xml-creator-toolkit)
- [Kirby CMS has cross-site scripting (XSS) in the changes dialog](https://junglewise.ai/threats/cve-2025-65012-kirby-cms-has-cross-site-scripting-xss-in-the-changes-dialog)