CVE-2026-33473 MEDIUM

CVE-2026-33473: Vikunja has TOTP Reuse During Validity Window

Vendor Go-Vikunja
Product vikunja
Weakness CWE-287 · Improper authentication
Published March 24, 2026
Last update March 24, 2026
View on NVD All CVEs

CVSS base score

5.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 24, 2026 CVE published
March 24, 2026 Record updated