{"id":"CVE-2026-91982","revision":"824c6253501d449286e424734d49571e","records":[{"revision":"824c6253501d449286e424734d49571e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-91982","aliases":[],"title":"Vikunja before 2.6.0 TOTP Secret Disclosure via API","description":"Vikunja before 2.6.0 continues to expose the raw TOTP shared secret after enrollment through the GET /api/v1/user/settings/totp and /api/v1/user/settings/totp/qrcode endpoints without re-authentication. Attackers with a valid access token can read the secret, import it into their own authenticator, and generate valid codes indefinitely to defeat the second factor and enable account takeover.","state":0,"publishedAt":"2026-09-15T15:18:26.212+00:00","modifiedAt":"2026-09-17T15:14:33.105+00:00","affected":[{"ecosystem":"Vendor product","name":"vikunja","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"go-vikunja\",\n                    \"product\": \"vikunja\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/code.vikunja.io/api\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.6.0\"\n                        },\n                        {\n                            \"version\": \"2.6.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-88f6-4rjv-x774","https://www.vulncheck.com/advisories/vikunja-before-2.6.0-totp-secret-disclosure-via-api"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-91982","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-91982","identifiers":["CVE-2026-91982"]},"retained":false,"historicalAffected":[]}],"coverage":[]}