CVE-2026-71297
Maestro: maestro: grpc broker has no auth interceptor and client mtls is optional
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in the maestro gRPC broker. This vulnerability allows a remote attacker, with a valid client certificate, to bypass authentication. This bypass enables the attacker to subscribe to other consumers' event streams, leading to unauthorized information disclosure, or to publish forged agent status, which can compromise data integrity.
| CWE | CWE-306 |
| Vendor | red hat |
| Product | multicluster engine for kubernetes |
| Published | Oct 5, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Red Hat / Multicluster Engine for Kubernetes
All versions affected Red Hat / Multicluster Engine for Kubernetes
All versions affected