CVE-2026-33473

PoC —

CVSS 3.1

5.7 medium

EPSS

<1%p18

Published

Mar 24, 2026 (Mar 24, 2026)

Modified

Jun 17, 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.

Vendors: vikunja
Products: vikunja
Weakness: CWE-287
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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