CVE-2026-48119

Nezha Monitoring: Authenticated agents can forge service-monitor results for other users' services

State: Published
Severity: 7.1 High
Published: Jun 12, 2026
Updated: Jun 15, 2026
Reserved: May 20, 2026

Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 0.20.0 to before version 2.0.12, authenticated agents can forge service-monitor results for other users' services. This issue has been patched in version 2.0.12.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L	GitHub_M

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
nezhanezhahq	>= 0.20.0, < 2.0.12Affected

References

https://github.com/nezhahq/nezha/security/advisories/GHSA-4g6j-g789-rghm

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