CVE-2026-33473

MEDIUM

Vikunja has TOTP Reuse During Validity Window

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References

Scores

CVSS v3 5.7
EPSS 0.0026
EPSS Percentile 16.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-287
Status published
Products (3)
code.vikunja.io/api 0.13Go
go-vikunja/vikunja >= 0.13, < 2.2.1
vikunja/vikunja 0.13 - 2.2.1
Published Mar 24, 2026
Tracked Since Mar 24, 2026