OneUptime Unauthorized User Creation via API
Priority HIGH 77CWE-285Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-285.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0033 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed @oneuptime/common (npm): 9.1.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OneUptime | oneuptime | = 9.0.5598 | — | No fix listed | CNA |
| — | @oneuptime/common (npm) | before 9.1.0 | 9.1.0 | Patch available | GHSA-m449-vh5f-574g |
- oneuptime VendorOneUptime Affected = 9.0.5598 Fixed in — No fix listed CNA
- @oneuptime/common (npm) Vendor— Affected before 9.1.0 Fixed in 9.1.0 Patch available GHSA-m449-vh5f-574g
Remediation
- Fix · GHSA-m449-vh5f-574g @oneuptime/common (npm) Fixed in 9.1.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-65966
- 2026-10-03 Alias added: GHSA-m449-vh5f-574g
References
More Oneuptime vulnerabilities
- TI-2026-22090 OneUptime: OS Command Injection in Probe NetworkPathMonitor via unsanitized destination in traceroute exec() CVSS 3.1CRITICAL 10.0
- TI-2026-27002 OneUptime: Missing Authentication on Notification Endpoints CVSS 3.1CRITICAL 9.1
- TI-2026-25573 OneUptime: WhatsApp Webhook Missing Signature Verification CVSS 4.0HIGH 8.7
- TI-2026-25793 Protection mechanism failure in oneuptime CVSS 3.1CRITICAL 10.0
- TI-2026-24835 OneUptime ClickHouse SQL Injection via Aggregate Query Parameters CVSS 3.1CRITICAL 10.0
- TI-2026-23783 OneUptime: Path Traversal — Arbitrary File Read (No Auth) CVSS 3.1HIGH 8.6
Sources
- CVE-2025-65966 · CVE Program
- CVE-2025-65966 · NVD
- FIRST EPSS
- GHSA-m449-vh5f-574g · GitHub Advisory Database · CC BY 4.0
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