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Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.0.14, cross-site GET request can trigger stored cron commands on a victim's agents. This issue has been patched in version 2.0.14.

PUBLISHED Reserved 2026-05-29 | Published 2026-06-12 | Updated 2026-06-13 | Assigner GitHub_M




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

Problem types

CWE-352: Cross-Site Request Forgery (CSRF)

Product status

>= 1.0.0, < 2.0.14
affected

References

github.com/.../nezha/security/advisories/GHSA-8qhj-4f8c-j8qg exploit

github.com/.../nezha/security/advisories/GHSA-8qhj-4f8c-j8qg

cve.org (CVE-2026-49396)

nvd.nist.gov (CVE-2026-49396)

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