{"id":"CVE-2026-91982","state":"PUBLISHED","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.","publishedAt":"2026-09-15T15:18:26.212Z","updatedAt":"2026-09-17T15:14:33.105Z","severity":{"score":5.3,"label":"Medium","version":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["go-vikunja vikunja"],"affected":[{"vendor":"go-vikunja","product":"vikunja","packageURL":"pkg:golang/code.vikunja.io/api","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.6.0","versionType":"semver"},{"version":"2.6.0","status":"unaffected","versionType":"semver"}]}],"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"],"weaknesses":["CWE-522"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91982.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91982","state":"PUBLISHED","datePublished":"2026-09-15T15:18:26.212Z","dateUpdated":"2026-09-17T15:14:33.105Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-15T11:10:41.353Z"},"containers":{"cna":{"title":"Vikunja before 2.6.0 TOTP Secret Disclosure via API","descriptions":[{"lang":"en","value":"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. 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