{"id":"CVE-2026-51584","aliases":["EUVD-2026-56175","GHSA-wgqp-f2p3-x7mp"],"status":"published","title":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the...","description":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject claim.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.0061,"percentile":0.4956,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2026-08-11T00:00:00Z","modified":"2026-08-31T19:33:11Z","references":[{"url":"https://github.com/usememos/memos"},{"url":"https://gist.github.com/seiyaibuki0523/33a4c06eb7d10914e5e5152ecd5100ec"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51584"},{"url":"https://github.com/advisories/GHSA-wgqp-f2p3-x7mp"}],"sources":{"cve":[{"id":"CVE-2026-51584","description":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject claim.","status":"published","published":"2026-08-11T00:00:00Z","modified":"2026-08-12T18:23:20.839Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T13:39:50.160666Z"}],"euvd":[{"id":"EUVD-2026-56175","description":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject claim.","status":"published","published":"2026-08-11T00:00:00Z","modified":"2026-08-12T18:23:20Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:57.953172Z"}],"ghsa":[{"id":"GHSA-wgqp-f2p3-x7mp","title":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the...","description":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject claim.","status":"published","published":"2026-08-11T15:32:39Z","modified":"2026-08-12T21:32:30Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:10:23.958572Z"}],"nvd":[{"id":"CVE-2026-51584","description":"An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the SignIn handler in server/router/api/v1/auth_service.go, because SSO identity is matched only on an attacker-controllable identifier without binding to the IdP's stable subject claim.","status":"published","published":"2026-08-11T14:17:14.463Z","modified":"2026-08-31T19:33:11.197Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:36.499002Z"}]}}