CVE-2025-65966 - CVE House
Back to Database
Status published High CVE-2025-65966

OneUptime Unauthorized User Creation via API

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-65966

Credits & Attribution

No credits recorded in the NVD database.

References

More from OneUptime

View All →
CVE-2025-66028
OneUptime is Vulnerable to Privilege Escalation via Login Response Manipulation
Medium 6.9
CVE-2024-29194
OneUptime Vulnerable to a Privilege Escalation via Local Storage Key Manipulation
High 8.3

Affected Vendor

Affected Software

oneuptime
Vulnerable Versions:
= 9.0.5598

Timeline

Official Publish: November 26th, 2025
Last Modified: November 26th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-285

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1548 Abuse Elevation Control Mechanism
Privilege Escalation
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Defense Evasion