CVE-2026-71297 — Maestro: maestro: grpc broker has no auth interceptor and client mtls is optional

CVE-2026-71297

Maestro: maestro: grpc broker has no auth interceptor and client mtls is optional PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Red Hat / Multicluster Engine for Kubernetes	affected
Red Hat / Multicluster Engine for Kubernetes	affected

CWE

CWE-306

References

https://access.redhat.com/security/cve/CVE-2026-71297
https://bugzilla.redhat.com/show_bug.cgi?id=2511518

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.