{"id":"CVE-2025-65966","aliases":["EUVD-2025-199748","GHSA-m449-vh5f-574g"],"status":"published","title":"OneUptime Unauthorized User Creation via API","description":"OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.","severity":{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0033,"percentile":0.26416,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-285"],"published":"2025-11-26T18:10:16Z","modified":"2026-10-28T02:31:02Z","fixes":[{"ecosystem":"npm","package":"@oneuptime/common","fixed_in":["9.1.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@oneuptime/common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.1.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@oneuptime/common","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.1.0"}]}]}],"products":[{"vendor":"hackerbay","product":"oneuptime"},{"vendor":"oneuptime","product":"oneuptime"}],"references":[{"url":"https://github.com/OneUptime/oneuptime/security/advisories/GHSA-m449-vh5f-574g","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://github.com/OneUptime/oneuptime/commit/07bc6d4edde7397ea6b88f889c065ec392052ab4","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-65966","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m449-vh5f-574g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/65xxx/CVE-2025-65966.json","tags":["advisory"]},{"url":"https://github.com/OneUptime/oneuptime","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-65966","title":"OneUptime Unauthorized User Creation via API","description":"OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.","status":"published","published":"2025-11-26T18:10:16.46Z","modified":"2025-11-26T18:41:53.12Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:32:26.64278Z"}],"euvd":[{"id":"EUVD-2025-199748","description":"OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.","status":"published","published":"2025-11-26T18:10:16Z","modified":"2025-11-26T18:41:53Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:12.440244Z"}],"ghsa":[{"id":"GHSA-m449-vh5f-574g","title":"OneUptime Unauthorized User Creation via API","description":"### Summary\nA low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface.\n\n### PoC\nA low-permission user sends a crafted API request to the user-creation endpoint and the system creates the account successfully.\n![WhatsApp Image 2025-11-23 at 14 27 32_0e0f5889](https://github.com/user-attachments/assets/5a539310-c9a2-4466-8926-b49b9b2a2422)\n\n### Impact\nThis allows attackers to create unauthorized accounts.","status":"published","published":"2025-11-26T19:33:08Z","modified":"2025-12-01T16:02:31Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:39:10.178331Z"}],"nvd":[{"id":"CVE-2025-65966","description":"OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.","status":"published","published":"2025-11-26T19:15:50.813Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:11:46.94029Z"}],"osv":[{"id":"CVE-2025-65966","title":"OneUptime Unauthorized User Creation via API","description":"OneUptime is a solution for monitoring and managing online services. In version 9.0.5598, a low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface. This issue has been patched in version 9.1.0.","status":"published","published":"2025-11-26T18:10:16.46Z","modified":"2026-10-28T02:31:02.074508981Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:44:52.202386Z"},{"id":"GHSA-m449-vh5f-574g","title":"OneUptime Unauthorized User Creation via API","description":"### Summary\nA low-permission user can create new accounts through a direct API request instead of being restricted to the intended interface.\n\n### PoC\nA low-permission user sends a crafted API request to the user-creation endpoint and the system creates the account successfully.\n![WhatsApp Image 2025-11-23 at 14 27 32_0e0f5889](https://github.com/user-attachments/assets/5a539310-c9a2-4466-8926-b49b9b2a2422)\n\n### Impact\nThis allows attackers to create unauthorized accounts.","status":"published","published":"2025-11-26T19:33:08Z","modified":"2025-12-01T16:20:57.529728Z","cvss":[{"version":"4.0","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:46:51.10002Z"}]}}