Security Advisory

CVE-2026-34727

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-10 15:45:30

Last updated 2026-04-13 15:37:32

Assigner GitHub_M

State PUBLISHED

Description

Vikunja is an open-source self-hosted task management platform. Prior to 2.3.0, the OIDC callback handler issues a full JWT token without checking whether the matched user has TOTP two-factor authentication enabled. When a local user with TOTP enrolled is matched via the OIDC email fallback mechanism, the second factor is completely skipped. This vulnerability is fixed in 2.3.0.

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