CVE-2025-65966

OneUptime Unauthorized User Creation via API

Published Nov 26, 2025 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-m449-vh5f-574g OneUptime Unauthorized User Creation via API
History
Type Values Removed Values Added
First Time appeared Hackerbay
Hackerbay oneuptime
CPEs cpe:2.3:a:hackerbay:oneuptime:9.0.5598:*:*:*:*:*:*:*
Vendors & Products Hackerbay
Hackerbay oneuptime
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Oneuptime
Oneuptime oneuptime
Vendors & Products Oneuptime
Oneuptime oneuptime
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OneUptime Unauthorized User Creation via API
Weaknesses CWE-285
References
Metrics cvssV4_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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 26, 2025, 6:41 PM
Reserved
Nov 18, 2025, 4:14 PM
Status
Analyzed
Published
Nov 26, 2025, 7:15 PM
Modified
Oct 18, 2026, 8:10 PM