CVE-2026-53520 MEDIUM

CVE-2026-53520: Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing

Vendor Nezhahq
Product nezha
Weakness CWE-284
Published June 12, 2026
Last update June 15, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 12, 2026 CVE published
June 15, 2026 Record updated