CVE-2026-33473

MEDIUM EPSS 17.1%
Published Mar 24, 20263mo ago · Modified Jun 17, 20262w ago
5.7 CVSS 3.1
Medium
Find Similar
Published Mar 24, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.7
Exploitability
2.1
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
17.1% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 1

VendorProductVersionRange
vikunjavikunja*≥0.13  –  <2.2.1

References 3

  • github.com https://github.com/go-vikunja/vikunja/security/advisories/GHSA-p747-qc5p-773r
    ExploitVendor Advisory
  • vikunja.io https://vikunja.io/changelog/vikunja-v2.2.0-was-released
    Release Notes
  • vikunja.io https://vikunja.io/changelog/vikunja-v2.2.2-was-released
    Release Notes

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.