CVE-2026-33473

low-risk
Published 2026-03-24

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.7/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Vikunja

References (3)

Exploit https://github.com/go-vikunja/vikunja/security/advisories/GHSA-p747-qc5p-773r
Release Notes https://vikunja.io/changelog/vikunja-v2.2.0-was-released
Release Notes https://vikunja.io/changelog/vikunja-v2.2.2-was-released
27
/ 100
low-risk
Severity 22/34 · High
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal