Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') Affecting getkirby/cms package, versions <4.9.1>=5.0.0-alpha.1, <5.4.1
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Test your applications- Snyk IDSNYK-PHP-GETKIRBYCMS-17112372
- published31 May 2026
- disclosed26 May 2026
- creditmojamojam
Introduced: 26 May 2026
NewCVE-2026-44174 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade getkirby/cms to version 4.9.1, 5.4.1 or higher.
Overview
Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') via the REST API search and collection query endpoints. An attacker can execute arbitrary methods on model objects by supplying crafted queries, potentially leading to disclosure of sensitive information or unauthorized actions such as privilege escalation or deletion of data. This is only exploitable if the attacker is an authenticated Panel user.