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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.

PUBLISHED Reserved 2026-05-20 | Published 2026-06-12 | Updated 2026-06-15 | Assigner GitHub_M




HIGH: 7.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Problem types

CWE-862: Missing Authorization

Product status

>= 0.20.0, < 2.0.12
affected

References

github.com/.../nezha/security/advisories/GHSA-4g6j-g789-rghm exploit

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

cve.org (CVE-2026-48119)

nvd.nist.gov (CVE-2026-48119)

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