CVE-2026-49397

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.

PUBLISHED Reserved 2026-05-29 | Published 2026-06-12 | Updated 2026-06-15 | Assigner GitHub_M

Problem types

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CWE-285: Improper Authorization

CWE-863: Incorrect Authorization

Product status

References

github.com/.../nezha/security/advisories/GHSA-vrmh-5mmx-hjwx exploit

github.com/.../nezha/security/advisories/GHSA-vrmh-5mmx-hjwx

cve.org (CVE-2026-49397)

nvd.nist.gov (CVE-2026-49397)

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