{"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":"2026-09-24T14:32:34.757Z"},"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 2.5 for RHEL 8","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"automation-controller","defaultStatus":"affected","versions":[{"version":"0:4.6.33-1.el8ap","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:ansible_automation_platform:2.5::el8","cpe:/a:redhat:ansible_automation_platform:2.5::el9","cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8","cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9","cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8","cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9"]},{"vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2.5 for RHEL 9","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"automation-controller","defaultStatus":"affected","versions":[{"version":"0:4.6.33-1.el9ap","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:ansible_automation_platform:2.5::el8","cpe:/a:redhat:ansible_automation_platform:2.5::el9","cpe:/a:redhat:ansible_automation_platform_developer:2.5::el8","cpe:/a:redhat:ansible_automation_platform_developer:2.5::el9","cpe:/a:redhat:ansible_automation_platform_inside:2.5::el8","cpe:/a:redhat:ansible_automation_platform_inside:2.5::el9"]},{"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 2.6","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"ansible-automation-platform-26/controller-rhel9","defaultStatus":"affected","versions":[{"version":"1789673739","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:ansible_automation_platform:2.6::el9"]},{"vendor":"Red Hat","product":"Red Hat Ansible Automation Platform 2.7","collectionURL":"https://catalog.redhat.com/software/containers/","packageName":"ansible-automation-platform-27/controller-rhel9","defaultStatus":"affected","versions":[{"version":"1789580684","lessThan":"*","versionType":"rpm","status":"unaffected"}],"cpes":["cpe:/a:redhat:ansible_automation_platform:2.7::el9"]}],"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/errata/RHSA-2026:71114","name":"RHSA-2026:71114","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:71177","name":"RHSA-2026:71177","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:71179","name":"RHSA-2026:71179","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":"2026-09-24T06:09:24.068Z"},"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-24T14:29:05.289631Z","id":"CVE-2026-84712","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-24T14:32:34.757Z"}}]}}