{"id":"CVE-2026-15616","aliases":["EUVD-2026-48301","GHSA-cv5x-2gg8-4hc7"],"status":"published","title":"Local MFA not enforced during SSO sign-in","description":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00529,"percentile":0.45188,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-308"],"published":"2026-07-23T15:43:03Z","modified":"2026-10-28T02:30:51Z","products":[{"vendor":"logto","product":"logto"},{"vendor":"logto-io","product":"logto"}],"references":[{"url":"https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/routes/experience/classes/experience-interaction.ts#L538-L540","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15616","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cv5x-2gg8-4hc7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15616.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-15616","title":"Local MFA not enforced during SSO sign-in","description":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.","status":"published","published":"2026-07-23T15:43:03.647Z","modified":"2026-07-27T15:28:21.318Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-308"],"updated_at":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-48301","description":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.","status":"published","published":"2026-07-23T15:43:03Z","modified":"2026-07-27T15:28:21Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T18:02:34.216106Z"}],"ghsa":[{"id":"GHSA-cv5x-2gg8-4hc7","title":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass...","description":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.","status":"published","published":"2026-07-23T18:31:44Z","modified":"2026-07-27T18:31:42Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-308"],"updated_at":"2026-11-02T15:09:51.407039Z"}],"nvd":[{"id":"CVE-2026-15616","description":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.","status":"published","published":"2026-07-23T16:17:14.33Z","modified":"2026-07-27T16:17:02.897Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-308"],"updated_at":"2026-11-02T14:12:32.473901Z"}],"osv":[{"id":"CVE-2026-15616","title":"Local MFA not enforced during SSO sign-in","description":"Logto does not enforce locally configured MFA during SSO authentication, allowing users to bypass second-factor requirements and grants unauthorized access.","status":"published","published":"2026-07-23T15:43:03.647Z","modified":"2026-10-28T02:30:51.677899591Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:44:57.682091Z"}]}}