CVE-2026-33473

Vikunja has TOTP Reuse During Validity Window

State: Published
Severity: 5.7 Medium
Published: Mar 24, 2026
Updated: Mar 24, 2026
Reserved: Mar 20, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	5.7 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N	GitHub_M

Weaknesses

CWE-287 Improper Authentication

Affected Products

Product	Versions
vikunjago-vikunja	>= 0.13, < 2.2.1Affected

References

https://github.com/go-vikunja/vikunja/security/advisories/GHSA-p747-qc5p-773r
https://vikunja.io/changelog/vikunja-v2.2.0-was-released
https://vikunja.io/changelog/vikunja-v2.2.2-was-released

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