CVE-2026-48119 Nezha Monitoring: Authenticated agents can forge service-monitor results for other users' services

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 0.20.0 to before version 2.0.12, authenticated agents can forge service-monitor results for other users' services. This issue has been patched in version 2.0.12...

GHSA-4G6J-G789-RGHM Nezha's authenticated agents can forge service-monitor results for other users' services

Summary Nezha accepts service-monitor TaskResult messages from an authenticated agent based only on whether the reported service ID exists. The dashboard authenticates the agent and derives the reporter server ID from the gRPC stream, but the service-monitor result worker does not verify that the...