How severe is CVE-2026-33473?

CVE-2026-33473 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-33473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33473?

CVE-2026-33473 affects Vikunja. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-33473 have an EU (EUVD) identifier?

Yes. CVE-2026-33473 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20081.

When was CVE-2026-33473 published?

CVE-2026-33473 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-33473

CVE-2026-33473 is a medium-severity vulnerability in Vikunja with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20081
Weakness: CWE-287
Affected product: Vikunja
Published: 2026-03-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-33473?: 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.
How severe is CVE-2026-33473?: CVE-2026-33473 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-33473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33473?: CVE-2026-33473 affects Vikunja. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-33473 have an EU (EUVD) identifier?: Yes. CVE-2026-33473 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20081.
When was CVE-2026-33473 published?: CVE-2026-33473 was published on 2026-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*

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