CVE-2026-33474

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/24/2026

Last Modified3/27/2026

Sourcenvd

Honeypot Sightings0

Affected Products

vikunja:vikunja

Weaknesses (CWE)

CWE-400

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wc83-79hj-hpmq(security-advisories@github.com)

https://vikunja.io/changelog/vikunja-v2.2.0-was-released(security-advisories@github.com)

IOC Correlations

No correlations recorded

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