CVE-2026-49397

Nezha Monitoring: Private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data

Published Jun 12, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-vrmh-5mmx-hjwx Nezha's private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nezhahq
Nezhahq nezha
Vendors & Products Nezhahq
Nezhahq nezha
Type Values Removed Values Added
Description 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.
Title Nezha Monitoring: Private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data
Weaknesses CWE-200
CWE-285
CWE-863
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 15, 2026, 5:26 PM
Reserved
May 29, 2026, 7:08 PM
Status
Deferred
Published
Jun 12, 2026, 10:16 PM
Modified
Oct 25, 2026, 11:10 PM