CVE-2026-53520

Medium

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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductGithub.com/nezhahq/nezha
PublishedJun 12, 2026
First seenJun 12, 2026

How to fix

Update
  • github.com/nezhahq/nezha2.1.0 or later

Affected products

ProductAffected versionsFixed in
github.com/nezhahq/nezhaGo2.0.14 ≤ v < 2.1.0, No range specified2.1.0

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