Enumeration Vulnerability in Nezha Monitoring Product by Nezha
CVE-2026-49397

5.3MEDIUM

Key Information:

Vendor

Nezhahq

Status
Nezha
Vendor
CVE Published:
12 June 2026

What is CVE-2026-49397?

Nezha Monitoring, a lightweight monitoring tool for servers and websites, has a vulnerability that allows enumeration of private services. Specifically, versions from 2.0.0 up to but not including 2.0.14 expose per-server endpoints, enabling attackers to access sensitive information such as service names and timing data. This vulnerability has been rectified in version 2.0.14, ensuring enhanced security for users.

Affected Version(s)

nezha >= 2.0.0, < 2.0.14

References

https://github.com/nezhahq/nezha/security/advisories/GHSA...
x_refsource_CONFIRM

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.