{"schema_version":1,"title":"Usememos Memos vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in Usememos Memos: 0 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84203, was published on 1 September 2026.","url":"https://junglewise.ai/threats/technologies/memos","json_url":"https://junglewise.ai/threats/technologies/memos.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/memos","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":11,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":2,"last_90_days":4,"last_365_days":11},"latest":[{"cve":"CVE-2026-84203","cvss":8.1,"epss":0.0045,"slug":"cve-2026-84203-memos-authentication-bypass-via-unrevorked-refresh-tokens","title":"Memos authentication bypass via unrevorked refresh tokens","severity":"high","exploited":false,"published_at":"2026-09-01T16:17:34.6+00:00","url":"https://junglewise.ai/threats/cve-2026-84203-memos-authentication-bypass-via-unrevorked-refresh-tokens"},{"cve":"CVE-2026-82476","cvss":5.3,"epss":0.0043,"slug":"cve-2026-82476-memos-link-metadata-fetcher-ssrf-via-missing-carrier-grade-nat","title":"Memos link-metadata fetcher SSRF via missing carrier-grade NAT range","severity":"medium","exploited":false,"published_at":"2026-08-29T17:18:00.197+00:00","url":"https://junglewise.ai/threats/cve-2026-82476-memos-link-metadata-fetcher-ssrf-via-missing-carrier-grade-nat"},{"cve":"CVE-2026-51584","cvss":9.8,"epss":0.0061,"slug":"cve-2026-51584-usememos-memos-sso-account-takeover-via-identifier-mismatch","title":"usememos Memos SSO account takeover via identifier mismatch","severity":"critical","exploited":false,"published_at":"2026-08-11T14:17:14.463+00:00","url":"https://junglewise.ai/threats/cve-2026-51584-usememos-memos-sso-account-takeover-via-identifier-mismatch"},{"cve":"CVE-2026-51583","cvss":8.5,"epss":0.004,"slug":"cve-2026-51583-memos-server-side-request-forgery-in-webhook-validation","title":"Memos Server-Side Request Forgery in webhook validation","severity":"high","exploited":false,"published_at":"2026-08-11T14:17:14.323+00:00","url":"https://junglewise.ai/threats/cve-2026-51583-memos-server-side-request-forgery-in-webhook-validation"},{"cve":"CVE-2026-30586","cvss":7.7,"slug":"cve-2026-30586-usememos-memos-html-injection-and-ui-redressing-in-sanitize","title":"usememos Memos HTML injection and UI redressing in SANITIZE_SCHEMA","severity":"info","exploited":false,"published_at":"2026-06-02T20:16:34.087+00:00","url":"https://junglewise.ai/threats/cve-2026-30586-usememos-memos-html-injection-and-ui-redressing-in-sanitize"},{"cve":"CVE-2026-6634","cvss":6.3,"epss":0.0035,"slug":"cve-2026-6634-usememos-memos-incorrect-privilege-assignment-in","title":"usememos Memos incorrect privilege assignment in UpdateInstanceSetting","severity":"medium","exploited":false,"published_at":"2026-04-20T12:32:01+00:00","url":"https://junglewise.ai/threats/cve-2026-6634-usememos-memos-incorrect-privilege-assignment-in"},{"cve":"CVE-2025-65799","cvss":4.3,"epss":0.0021,"slug":"cve-2025-65799-usememos-memos-path-traversal-in-attachment-service","title":"usememos memos path traversal in Attachment service","severity":"medium","exploited":false,"published_at":"2025-12-08T17:16:21.34+00:00","url":"https://junglewise.ai/threats/cve-2025-65799-usememos-memos-path-traversal-in-attachment-service"},{"cve":"CVE-2025-65797","cvss":6.5,"epss":0.0028,"slug":"cve-2025-65797-usememos-memos-broken-access-control-in-identity-provider-service","title":"usememos memos broken access control in Identity Provider service","severity":"medium","exploited":false,"published_at":"2025-12-08T17:16:21.207+00:00","url":"https://junglewise.ai/threats/cve-2025-65797-usememos-memos-broken-access-control-in-identity-provider-service"},{"cve":"CVE-2025-65795","cvss":7.5,"epss":0.0026,"slug":"cve-2025-65795-usememos-memos-incorrect-access-control-in-user-registration-api","title":"usememos memos incorrect access control in user registration API","severity":"high","exploited":false,"published_at":"2025-12-08T17:16:21.073+00:00","url":"https://junglewise.ai/threats/cve-2025-65795-usememos-memos-incorrect-access-control-in-user-registration-api"},{"cve":"CVE-2025-65798","cvss":5.4,"epss":0.0018,"slug":"cve-2025-65798-usememos-memos-incorrect-access-control-in-attachments","title":"usememos memos incorrect access control in attachments","severity":"medium","exploited":false,"published_at":"2025-12-08T16:15:53.737+00:00","url":"https://junglewise.ai/threats/cve-2025-65798-usememos-memos-incorrect-access-control-in-attachments"},{"cve":"CVE-2025-65796","cvss":4.3,"epss":0.002,"slug":"cve-2025-65796-usememos-memos-incorrect-access-control-in-reaction-service","title":"usememos memos incorrect access control in Reaction service","severity":"medium","exploited":false,"published_at":"2025-12-08T16:15:53.587+00:00","url":"https://junglewise.ai/threats/cve-2025-65796-usememos-memos-incorrect-access-control-in-reaction-service"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":1,"exploited":0,"vulnerabilities":2},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Usememos Memos","slug":"memos","vendor":{"name":"Usememos","slug":"usememos","url":"https://junglewise.ai/threats/vendors/usememos"},"aliases":[],"category":"application","homepage":"https://usememos.com/","repo_url":"https://github.com/usememos/memos","description":"An open-source, self-hosted memo hub with a focus on privacy and lightweight note-taking.","url":"https://junglewise.ai/threats/technologies/memos"},"most_severe":[{"cve":"CVE-2026-51584","cvss":9.8,"epss":0.0061,"slug":"cve-2026-51584-usememos-memos-sso-account-takeover-via-identifier-mismatch","title":"usememos Memos SSO account takeover via identifier mismatch","severity":"critical","exploited":false,"published_at":"2026-08-11T14:17:14.463+00:00","url":"https://junglewise.ai/threats/cve-2026-51584-usememos-memos-sso-account-takeover-via-identifier-mismatch"},{"cve":"CVE-2026-51583","cvss":8.5,"epss":0.004,"slug":"cve-2026-51583-memos-server-side-request-forgery-in-webhook-validation","title":"Memos Server-Side Request Forgery in webhook validation","severity":"high","exploited":false,"published_at":"2026-08-11T14:17:14.323+00:00","url":"https://junglewise.ai/threats/cve-2026-51583-memos-server-side-request-forgery-in-webhook-validation"},{"cve":"CVE-2026-84203","cvss":8.1,"epss":0.0045,"slug":"cve-2026-84203-memos-authentication-bypass-via-unrevorked-refresh-tokens","title":"Memos authentication bypass via unrevorked refresh tokens","severity":"high","exploited":false,"published_at":"2026-09-01T16:17:34.6+00:00","url":"https://junglewise.ai/threats/cve-2026-84203-memos-authentication-bypass-via-unrevorked-refresh-tokens"},{"cve":"CVE-2025-65795","cvss":7.5,"epss":0.0026,"slug":"cve-2025-65795-usememos-memos-incorrect-access-control-in-user-registration-api","title":"usememos memos incorrect access control in user registration API","severity":"high","exploited":false,"published_at":"2025-12-08T17:16:21.073+00:00","url":"https://junglewise.ai/threats/cve-2025-65795-usememos-memos-incorrect-access-control-in-user-registration-api"},{"cve":"CVE-2025-65797","cvss":6.5,"epss":0.0028,"slug":"cve-2025-65797-usememos-memos-broken-access-control-in-identity-provider-service","title":"usememos memos broken access control in Identity Provider service","severity":"medium","exploited":false,"published_at":"2025-12-08T17:16:21.207+00:00","url":"https://junglewise.ai/threats/cve-2025-65797-usememos-memos-broken-access-control-in-identity-provider-service"},{"cve":"CVE-2026-6634","cvss":6.3,"epss":0.0035,"slug":"cve-2026-6634-usememos-memos-incorrect-privilege-assignment-in","title":"usememos Memos incorrect privilege assignment in UpdateInstanceSetting","severity":"medium","exploited":false,"published_at":"2026-04-20T12:32:01+00:00","url":"https://junglewise.ai/threats/cve-2026-6634-usememos-memos-incorrect-privilege-assignment-in"},{"cve":"CVE-2025-65798","cvss":5.4,"epss":0.0018,"slug":"cve-2025-65798-usememos-memos-incorrect-access-control-in-attachments","title":"usememos memos incorrect access control in attachments","severity":"medium","exploited":false,"published_at":"2025-12-08T16:15:53.737+00:00","url":"https://junglewise.ai/threats/cve-2025-65798-usememos-memos-incorrect-access-control-in-attachments"},{"cve":"CVE-2026-82476","cvss":5.3,"epss":0.0043,"slug":"cve-2026-82476-memos-link-metadata-fetcher-ssrf-via-missing-carrier-grade-nat","title":"Memos link-metadata fetcher SSRF via missing carrier-grade NAT range","severity":"medium","exploited":false,"published_at":"2026-08-29T17:18:00.197+00:00","url":"https://junglewise.ai/threats/cve-2026-82476-memos-link-metadata-fetcher-ssrf-via-missing-carrier-grade-nat"},{"cve":"CVE-2025-65799","cvss":4.3,"epss":0.0021,"slug":"cve-2025-65799-usememos-memos-path-traversal-in-attachment-service","title":"usememos memos path traversal in Attachment service","severity":"medium","exploited":false,"published_at":"2025-12-08T17:16:21.34+00:00","url":"https://junglewise.ai/threats/cve-2025-65799-usememos-memos-path-traversal-in-attachment-service"},{"cve":"CVE-2025-65796","cvss":4.3,"epss":0.002,"slug":"cve-2025-65796-usememos-memos-incorrect-access-control-in-reaction-service","title":"usememos memos incorrect access control in Reaction service","severity":"medium","exploited":false,"published_at":"2025-12-08T16:15:53.587+00:00","url":"https://junglewise.ai/threats/cve-2025-65796-usememos-memos-incorrect-access-control-in-reaction-service"}],"generated_at":"2026-09-26T15:07:00.181821+00:00"}