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Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.14 to before version 2.1.0, authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing. This issue has been patched in version 2.1.0.

PUBLISHED Reserved 2026-06-09 | Published 2026-06-12 | Updated 2026-06-15 | Assigner GitHub_M




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-284: Improper Access Control

Product status

>= 2.0.14, < 2.1.0
affected

References

github.com/.../nezha/security/advisories/GHSA-x6fg-52vr-hj4w exploit

github.com/.../nezha/security/advisories/GHSA-x6fg-52vr-hj4w

cve.org (CVE-2026-53520)

nvd.nist.gov (CVE-2026-53520)

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