CVE-2026-33474: Vikunja

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.

Affected products

• Vikunja Vikunja: from 1.0.0, before 2.2.0 (fixed in 2.2.0)

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