Security Advisory

CVE-2026-53523

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-12 21:04:46

Last updated 2026-06-15 21:35:45

Assigner GitHub_M

CVSS score 6.8

State PUBLISHED

Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.2.0, the getRedirectURL function in oauth2.go:22-29 constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path, with zero validation of the Host header. This can result in host header injection. This issue has been patched in version 2.2.0.

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