High 8.8Published Nov 26, 2025

CVE-2025-65966OneUptime Unauthorized User Creation via API

Updated under an hour ago (Oct 28, 2026, 4:50 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for oneuptime

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v4.0, CNA)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
Weakness (CWE): CWE-285
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Nov 26, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

OneUptime oneuptime oneuptime:oneuptime (from the name)	= 9.0.5598	CNA record
hackerbay oneuptime hackerbay:oneuptime	9.0.5598	NVD

References

References

https://github.com/OneUptime/oneuptime/security/advisories/GHSA-m449-vh5f-574g	x-refsource-confirm, exploit, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.