GHSA-H9CX-XJG6-5V2W Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

Impact The gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC tokens used for Pub/Sub push authentication. This allows any valid Google-issued token, to authenticate against the Receiver webhook endpoint, triggering unauthorized Flux reconciliations...

EUVD-2026-21150

Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering...

CVE-2026-40109 Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC tokens used for Pub/Sub push authentication. This allows any...

CVE-2026-40109

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC tokens used for Pub/Sub push authentication. This allows any...

Ubiquiti Inc.: Auth bypass on directory.corp.ubnt.com

The researcher ebrietas demonstrated that access to our Internal corporate directory could be gained due to a misconfiguration in Google OpenID. This involved using a non-UBNT Google account and modification to the URL. The issue was resolved and the researcher was awarded a bounty for his...