CVE-2026-40099: CVE-2026-40099: Incorrect Authorization Bypass in Kirby CMS Page Creation

📰 Dev.to · CVE Reports

Learn about the Incorrect Authorization Bypass vulnerability in Kirby CMS page creation and how to mitigate it

intermediate Published 24 Apr 2026

Action Steps

Identify if your Kirby CMS version is affected by the vulnerability
Check the official Kirby CMS documentation for patches or updates
Apply the recommended security patches to your Kirby CMS installation
Test your application for any potential issues after applying the patches
Configure access controls and authorization settings to prevent bypass attempts

Who Needs to Know This

Developers and security teams working with Kirby CMS can benefit from understanding this vulnerability to ensure the security of their applications

Key Insight

💡 Incorrect authorization bypass can lead to unauthorized access and data breaches, highlighting the importance of regular security updates and patches