{"id":"CVE-2026-34727","revision":"4dc70501bf3a4572adf8d4f1e26bb6fd","records":[{"revision":"4dc70501bf3a4572adf8d4f1e26bb6fd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-34727","aliases":[],"title":"Vikunja ahs a TOTP Two-Factor Authentication Bypass via OIDC Login Path","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.","state":0,"publishedAt":"2026-04-10T15:45:30.662+00:00","modifiedAt":"2026-04-13T15:37:32.071+00:00","affected":[{"ecosystem":"Vendor product","name":"vikunja","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"go-vikunja\",\n                    \"product\": \"vikunja\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.3.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4,"severity":"HIGH"}],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-8jvc-mcx6-r4cg"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-34727","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-34727","identifiers":["CVE-2026-34727"]},"retained":false,"historicalAffected":[]}],"coverage":[]}