WeKan, a popular open-source kanban board application, has exposed a significant security vulnerability, CVE-2026-25568. This flaw, existing in versions prior to 8.19, allows users to create public boards even when the allowPrivateOnly setting is enabled. Such weaknesses present serious risks for system administrators, hosting providers, and web application operators who rely on WeKan for secure project management.
The authorization logic flaw in WeKan means that server security can be compromised. When users are able to create public boards unexpectedly, sensitive information and corporate projects may become accessible to unauthorized individuals. For hosting providers managing multiple clients, this breach can lead to cascading effects, impacting all hosted applications. The risk of a brute-force attack is heightened, as attackers may exploit this weakness to gain access to valuable data.
Addressing the CVE-2026-25568 vulnerability is crucial for maintaining server security. Here are some practical steps administrators can take:
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