GO-2026-6486 Nezha: OAuth2 redirect_uri Host header injection regression when dashboard_host is empty in github.com/nezhahq/nezha

Nezha: OAuth2 redirecturi Host header injection regression when dashboardhost is empty in github.com/nezhahq/nezha...

EUVD-2026-88025

Nezha 2.2.3 contains a Host header injection regression in the OAuth2 redirect endpoint. When the new optional dashboardhost setting is empty, /api/v1/oauth2/provider cmd/dashboard/controller/oauth2.go reflects the attacker-supplied HTTP Host header into the redirecturi sent to the identity...

CVE-2026-101090 Nezha through 2.2.3 Host Header Injection via OAuth2 redirect_uri

Nezha 2.2.3 contains a Host header injection regression in the OAuth2 redirect endpoint. When the new optional dashboardhost setting is empty, /api/v1/oauth2/provider cmd/dashboard/controller/oauth2.go reflects the attacker-supplied HTTP Host header into the redirecturi sent to the identity...

CVE-2026-101090

Nezha version 2.2.3 is vulnerable to a Host header injection regression in the OAuth2 redirect endpoint located at /api/v1/oauth2/{provider} (specifically in cmd/dashboard/controller/oauth2.go). When the optional dashboard_host setting is empty, the application reflects an attacker-supplied HTTP ...

GHSA-RF68-8GJR-36Q7 Nezha: OAuth2 redirect_uri Host header injection regression when dashboard_host is empty

Summary Nezha v2.2.3 regresses the GHSA-9rc6-8cjv-rcvx host header injection fix for deployments where the new dashboardhost setting is empty. In that configuration, /api/v1/oauth2/provider again reflects the request Host header into the OAuth2 redirecturi sent to the identity provider, even if...