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CVE-2026-33474

MEDIUM CVSS 3.1: 6.5 EPSS 0.04%
Updated Mar 27, 2026
Vikunja
Parameter Value
CVSS 6.5 (MEDIUM)
Affected Versions 1.0.0 — 2.2.0
Fixed In 2.2.0
Type CWE-400 (Uncontrolled Resource Consumption)
Vendor Vikunja
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Vikunja Vikunja
cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
1.0.0 2.2.0