CVE-2026-47124: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in nezhahq nezha
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.9, any authenticated non-admin member can connect to the server-status WebSocket and receive telemetry for all servers, including servers owned by other users. The normal server list API filters objects by HasPermission, but the WebSocket stream treats the presence of any authenticated user as authorization for the full unfiltered server list. This issue has been patched in version 2.0.9.
CVE-2026-47124: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in nezhahq nezha
Description
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.9, any authenticated non-admin member can connect to the server-status WebSocket and receive telemetry for all servers, including servers owned by other users. The normal server list API filters objects by HasPermission, but the WebSocket stream treats the presence of any authenticated user as authorization for the full unfiltered server list. This issue has been patched in version 2.0.9.
CVSS v3.1
Score 6.5medium
Affected software
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Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-18T19:50:18.694Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c7c90e617e2d834c6c7ac
Added to database: 6/12/2026, 9:39:28 PM
Last updated: 6/13/2026, 1:52:55 AM
Views: 8
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