PT-2026-49004 · Unknown · Nezha Monitoring
CVE-2026-53523
·
Published
2026-06-12
·
Updated
2026-07-30
CVSS v3.1
6.8
Medium
| Vector | AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N |
Name of the Vulnerable Software and Affected Versions
Nezha Monitoring versions 1.0.0 through 2.1.x
Description
The
getRedirectURL() function in oauth2.go constructs the OAuth2 callback URL by concatenating the request's Host header with a fixed path without validating the Host header. This allows for host header injection, where an attacker can manipulate the Host header to redirect users to an external malicious site.Recommendations
Update to version 2.2.0.
Exploit
Fix
Open Redirect
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Weakness Enumeration
Related Identifiers
Affected Products
Nezha Monitoring