{"schemaVersion":3,"id":"CVE-2026-34727","aliases":["GHSA-8jvc-mcx6-r4cg","GO-2026-5258"],"status":"published","duplicateOf":null,"title":null,"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. 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