{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84712", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-09-02T00:44:46.968Z", "datePublished": "2026-09-23T19:40:22.582Z", "dateUpdated": "2026-09-23T19:40:22.582Z"}, "containers": {"cna": {"title": "Automation-controller: automation-controller: unauthenticated /api/v2/ping/ discloses automation-mesh instance topology and instance-group membership", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in the automation-controller API. 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. This flaw affects confidentiality only;\n it does not expose secrets, credentials, or tenant data."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-automation-platform-26/controller-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"]}, {"vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-automation-platform-27/controller-rhel9", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"]}, {"vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "automation-controller", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-84712", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527196", "name": "RHBZ#2527196", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-09-23T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-497", "description": "Exposure of Sensitive System Information to an Unauthorized Control Sphere", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere", "timeline": [{"lang": "en", "time": "2026-09-02T00:44:52.036Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-09-23T00:00:00.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-09-23T19:40:22.582Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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