{"schema":"threatline.record/2","record":{"id":"CVE-2026-71297","aliases":[],"summary":"Maestro: maestro: grpc broker has no auth interceptor and client mtls is optional","details":"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.","categories":["Containers & cloud"],"product":"Multicluster Engine for Kubernetes","vendor":"Red Hat","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-71297","source_modified_at":"2026-10-06T14:49:48.215Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Multicluster Engine for Kubernetes","vendor":"Red Hat","versions":[],"defaultStatus":"affected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-71297","source_modified_at":"2026-10-06T14:49:48.215Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"Multicluster Engine for Kubernetes","vendor":"Red Hat","versions":[],"defaultStatus":"affected"}],"fixed_versions":[],"cvss":5.4,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00152,"percentile":0.04008,"score_date":"2026-10-23"},"published_at":"2026-10-05T19:55:49.523Z","modified_at":"2026-10-06T14:49:48.215Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-71297","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-06T14:49:48.215Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-71297","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://access.redhat.com/security/cve/CVE-2026-71297","tags":["vdb-entry","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2511518","tags":["issue-tracking","x_refsource_REDHAT"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-06T14:42:56.062546Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-06T14:49:48.215Z","content_hash":"da25891f5bef09ca9dd6d74cdebd6fc2294288c65ef39b38ac11e49b47792473"}}