Vulnerability DatabaseCVE-2026-49397
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CVE-2026-49397
Published:June 12, 2026
Updated:June 29, 2026
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.0 to before version 2.0.14, private services ("EnableShowInService: false") are enumerable via per-server endpoints, leaking name and timing data. This issue has been patched in version 2.0.14.
Affected Packages
https://github.com/nezhahq/nezha.git (GITHUB):
Affected version(s) >=v2.0.0 <v2.0.14
Fix Suggestion:
Update to version v2.0.14
github.com/nezhahq/nezha (GO):
Affected version(s) >=v2.0.0 <v2.0.14
Fix Suggestion:
Update to version v2.0.14
github.com/nezhahq/nezha (GO):
Affected version(s) >=v1.14.15-0.20260517022419-d06d539d34c1 <v1.14.15-0.20260526071231-8b5e382fe217
Fix Suggestion:
Update to version v1.14.15-0.20260526071231-8b5e382fe217
Related Resources (2)
https://github.com/nezhahq/nezha
https://github.com/nezhahq/nezha/security/advisories/GHSA-vrmh-5mmx-hjwx
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
CWE-863
Exposure of Sensitive Information to an Unauthorized Actor
CWE-200
Improper Authorization
CWE-285
EPSS
Base Score:
0.25