CVE-2026-33474

Medium

Description

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductVikunja
PublishedMar 24, 2026
First seenMar 24, 2026

How to fix

Update
  • vikunja vikunja2.2.0 or later
  • code.vikunja.io/api2.2.0 or later

Affected products

ProductAffected versionsFixed in
vikunja vikunja1.0.0 ≤ v < 2.2.02.2.0
code.vikunja.io/apiGo1.0.0-rc0 ≤ v < 2.2.0, No range specified2.2.0

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