Service Monitoring Forgery in Nezha Monitoring Tool by Nezha
CVE-2026-48119

7.1HIGH

Key Information:

Vendor

Nezhahq

Status
Nezha
Vendor
CVE Published:
12 June 2026

What is CVE-2026-48119?

Nezha Monitoring, a lightweight monitoring tool for servers and websites, has a vulnerability that allows authenticated agents to forge service-monitoring results affecting other users. This issue impacts versions from 0.20.0 to prior to 2.0.12 and has been resolved in the latest update. Users are encouraged to upgrade to version 2.0.12 to mitigate this security risk. For more detailed information, refer to the advisory.

Affected Version(s)

nezha >= 0.20.0, < 2.0.12

References

https://github.com/nezhahq/nezha/security/advisories/GHSA...
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CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.