CVE-2026-33473

Published: Mar 24, 2026 Last Modified: Mar 24, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,7
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

287

Improper Authentication

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability Access Control
Potential Impacts:
Read Application Data Gain Privileges Or Assume Identity Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: ICS/OT, Not Technology-Specific, Web Based
Likelihood of Exploit: High
View CWE Details
https://github.com/go-vikunja/vikunja/security/advisories/G…
https://github.com/go-vikunja/vikunja/security/advisories/GHSA-p747-qc5p-773r
https://vikunja.io/changelog/vikunja-v2.2.0-was-released
https://vikunja.io/changelog/vikunja-v2.2.0-was-released
https://vikunja.io/changelog/vikunja-v2.2.2-was-released
https://vikunja.io/changelog/vikunja-v2.2.2-was-released