CVE-2026-53520

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

State: Published
Severity: 6.5 Medium
Published: Jun 12, 2026
Updated: Jun 15, 2026
Reserved: Jun 9, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
nezhanezhahq	>= 2.0.14, < 2.1.0Affected

References

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

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