CVE-2026-33473: Vikunja

Medium severity, CVSS 5.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Vikunja is an open-source self-hosted task management platform. Starting in version 0.13 and prior to version 2.2.1, any user that has enabled 2FA can have their TOTP reused during the standard 30 second validity window. Version 2.2.1 patches the issue.

Affected products

• Vikunja Vikunja: from 0.13, before 2.2.1 (fixed in 2.2.1)

Published 2026-03-24. Last modified 2026-06-17.