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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.

PUBLISHED Reserved 2026-03-20 | Published 2026-03-24 | Updated 2026-03-24 | Assigner GitHub_M




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-400: Uncontrolled Resource Consumption

Product status

>= 1.0.0-rc0, < 2.2.0
affected

References

github.com/...ikunja/security/advisories/GHSA-wc83-79hj-hpmq

vikunja.io/changelog/vikunja-v2.2.0-was-released

cve.org (CVE-2026-33474)

nvd.nist.gov (CVE-2026-33474)

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