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The\n unauthenticated health-check endpoint /api/v2/ping/\n (ApiV2PingView, AllowAny) over-serializes RBAC-gated\n automation-mesh data into its anonymous response, exposing the\n full instance inventory (node hostnames, node types, UUIDs,\n heartbeats, capacities, and exact versions), all instance-group\n names and membership, the deployment install UUID, and the\n active control node. A remote, unauthenticated attacker can use\n this to map the control plane and fingerprint software versions\n for targeted attacks. 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{"affected_release": [{"advisory": "RHSA-2026:71113", "cpe": "cpe:/a:redhat:ansible_automation_platform:2.6::el9", "package": "automation-controller-0:4.7.17-1.el9ap", "product_name": "Red Hat Ansible Automation Platform 2.6 for RHEL 9", "release_date": "2026-09-23T00:00:00Z"}], "bugzilla": {"description": "automation-controller: automation-controller: unauthenticated /api/v2/ping/ discloses automation-mesh instance topology and instance-group membership", "id": "2527196", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527196"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-497", "details": ["A flaw was found in the automation-controller API. The\nunauthenticated health-check endpoint /api/v2/ping/\n(ApiV2PingView, AllowAny) over-serializes RBAC-gated\nautomation-mesh data into its anonymous response, exposing the\nfull instance inventory (node hostnames, node types, UUIDs,\nheartbeats, capacities, and exact versions), all instance-group\nnames and membership, the deployment install UUID, and the\nactive control node. A remote, unauthenticated attacker can use\nthis to map the control plane and fingerprint software versions\nfor targeted attacks. This flaw affects confidentiality only;\nit does not expose secrets, credentials, or tenant data."], "name": "CVE-2026-84712", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-26/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Affected", "package_name": "ansible-automation-platform-27/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}], "public_date": "2026-09-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-84712\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-84712"], "statement": "There is no configuration workaround that trims the /ping/ response. Operators\ncan reduce exposure by ensuring the Controller API route is not reachable by\nuntrusted networks and by fronting health checks with an infrastructure probe\nthat does not proxy /ping/ externally, but the definitive fix is to stop\nserializing instance/instance-group/install_uuid/active_node data from the\nunauthenticated endpoint.", "threat_severity": "Moderate"}

{"created": "2026-09-23T20:30:09.679918+00:00", "updated": "2026-09-23T20:30:09.679924+00:00", "vendors": []}