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CVE-2026-21879

Kanboard vulnerable to Open Redirect via protocol-relative URLs PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
kanboard / kanboardaffected < 1.2.49

CWE

CWE-601

References

ADP enrichment

CISA-ADP

No English description supplied.