Submariner Operator: Broker SA Token Exposure Grants Full Mesh Control
CVE-2026-66782 Published on August 18, 2026
Submariner-operator: submariner-operator: broker api bearer token stored cleartext in cr spec
A flaw was found in the Submariner operator. This vulnerability allows for the exposure of a long-lived broker service account (SA) bearer token within the Submariner Custom Resource (CR) specification. An attacker with access to the cluster's etcd database or through `kubectl get` commands could obtain this token. The possession of this token grants full control over the mesh network, enabling unauthorized management of network resources such as endpoints and secrets.
Vulnerability Analysis
CVE-2026-66782 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Timeline
Reported to Red Hat.
Made public. 22 days later.
Weakness Type
Cleartext Storage of Sensitive Information
The application stores sensitive information in cleartext within a resource that might be accessible to another control sphere. Because the information is stored in cleartext, attackers could potentially read it. Even if the information is encoded in a way that is not human-readable, certain techniques could determine which encoding is being used, then decode the information.
Products Associated with CVE-2026-66782
Want to know whenever a new CVE is published for Red Hat Acm? stack.watch will email you.
