Moderate severityNVD Advisory· Published Mar 24, 2026· Updated Mar 24, 2026
Vikunja has TOTP Reuse During Validity Window
CVE-2026-33473
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
code.vikunja.io/apiGo | >= 0.13 | — |
Affected products
3- ghsa-coords2 versions
>= 0.13+ 1 more
- (no CPE)range: >= 0.13
- (no CPE)range: < 0.0.20260326T203309-150000.1.155.2
- go-vikunja/vikunjav5Range: >= 0.13, < 2.2.1
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-p747-qc5p-773rghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33473ghsaADVISORY
- github.com/go-vikunja/vikunja/security/advisories/GHSA-p747-qc5p-773rghsax_refsource_CONFIRMWEB
- vikunja.io/changelog/vikunja-v2.2.0-was-releasedghsax_refsource_MISCWEB
- vikunja.io/changelog/vikunja-v2.2.2-was-releasedghsax_refsource_MISCWEB
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