Categories
CVE-2026-21879

Kanboard vulnerable to Open Redirect via protocol-relative URLs

Summary

Kanboard vulnerable to Open Redirect via protocol-relative URLs

Original description

The description as published by the source.

Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below are vulnerable to an Open Redirect attack that allows malicious actors to redirect authenticated users to attacker-controlled websites. By crafting URLs such as //evil.com, attackers can bypass the filter_var($url, FILTER_VALIDATE_URL) validation check. This vulnerability could be exploited to conduct phishing attacks, steal user credentials, or distribute malware. The issue is fixed in version 1.2.49.

Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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