Vikunja is an open-source self-hosted task management platform. Starting in version 0.13 and prior to version 2.2.1, any user that has enabled 2FA can have their TOTP reused during the standard 30 second validity window. Version 2.2.1 patches the issue.
History

Tue, 24 Mar 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 24 Mar 2026 15:45:00 +0000

Type Values Removed Values Added
Description Vikunja is an open-source self-hosted task management platform. Starting in version 0.13 and prior to version 2.2.1, any user that has enabled 2FA can have their TOTP reused during the standard 30 second validity window. Version 2.2.1 patches the issue.
Title Vikunja has TOTP Reuse During Validity Window
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-24T17:11:26.042Z

Reserved: 2026-03-20T16:16:48.969Z

Link: CVE-2026-33473

cve-icon Vulnrichment

Updated: 2026-03-24T17:11:21.195Z

cve-icon NVD

Status : Received

Published: 2026-03-24T16:16:33.710

Modified: 2026-03-24T16:16:33.710

Link: CVE-2026-33473

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.