{"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": "2026-09-23T22:11:27.162Z"}, "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 2.6 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "automation-controller", "defaultStatus": "affected", "versions": [{"version": "0:4.7.17-1.el9ap", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/a:redhat:ansible_automation_platform:2.6::el10", "cpe:/a:redhat:ansible_automation_platform:2.6::el9", "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10", "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9", "cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9"]}, {"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"]}], "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:71113", "name": "RHSA-2026:71113", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"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": "2026-09-23T22:11:27.162Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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{"affected": [{"affectedData": [{"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2.6::el10", "cpe:/a:redhat:ansible_automation_platform:2.6::el9", "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el10", "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9", "cpe:/a:redhat:ansible_automation_platform_inside:2.6::el9"], "defaultStatus": "affected", "packageName": "automation-controller", "product": "Red Hat Ansible Automation Platform 2.6 for RHEL 9", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "0:4.7.17-1.el9ap", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"], "defaultStatus": "affected", "packageName": "ansible-automation-platform-26/controller-rhel9", "product": "Red Hat Ansible Automation Platform 2", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:ansible_automation_platform:2"], "defaultStatus": "affected", "packageName": "ansible-automation-platform-27/controller-rhel9", "product": "Red Hat Ansible Automation Platform 2", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "cveTags": [], "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."}], "id": "CVE-2026-84712", "lastModified": "2026-09-23T23:18:47.763", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "secalert@redhat.com", "type": "Secondary"}]}, "published": "2026-09-23T20:17:17.817", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:71113"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2026-84712"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527196"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-497"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"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": []}