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CVE-2026-84717

Estado: Pendiente de análisisMedia (5.3)—

A flaw was found in the Ansible Automation Platform automation-controller. The unauthenticated Bitbucket Data Center webhook receiver skips HMAC signature verification for diagnostics:ping events after it has already looked up the target template, causing the endpoint to return HTTP 200 for a template that has a Bitbucket DC webhook configured and HTTP 403 otherwise. An unauthenticated remote attacker can use this response discrepancy as an oracle to enumerate which Job Template and Workflow Job Template IDs have Bitbucket DC webhooks configured, without knowing the secret webhook_key.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Acceso remoto sin autenticación a endpoint HTTP expuesto (Bitbucket webhook receiver) que permite enumerar templates por discrepancia en respuestas HTTP, revelando información de configuración de infraestructura sin credenciales.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-84717",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-84717",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-26T22:46:38.467434Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
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          "cpes": [
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            "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",
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          ],
          "vendor": "Red Hat",
          "product": "Red Hat Ansible Automation Platform 2.5 for RHEL 8",
          "versions": [
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              "status": "unaffected",
              "version": "0:4.6.33-1.el8ap",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "automation-controller",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
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            "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",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:4.6.33-1.el9ap",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "automation-controller",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
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          "cpes": [
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            "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 for RHEL 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:4.7.17-1.el9ap",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "automation-controller",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:ansible_automation_platform:2.6::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Ansible Automation Platform 2.6",
          "versions": [
            {
              "status": "unaffected",
              "version": "1789673739",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "ansible-automation-platform-26/controller-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:ansible_automation_platform:2.7::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Ansible Automation Platform 2.7",
          "versions": [
            {
              "status": "unaffected",
              "version": "1789580684",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "ansible-automation-platform-27/controller-rhel9",
          "collectionURL": "https://catalog.redhat.com/software/containers/",
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-23T20:17:18.353",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:71113",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:71114",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:71177",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:71179",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-84717",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2527210",
      "source": "secalert@redhat.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-204"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the Ansible Automation Platform automation-controller. The unauthenticated\nBitbucket Data Center webhook receiver skips HMAC signature verification for diagnostics:ping\nevents after it has already looked up the target template, causing the endpoint to return HTTP\n200 for a template that has a Bitbucket DC webhook configured and HTTP 403 otherwise. An\nunauthenticated remote attacker can use this response discrepancy as an oracle to enumerate\nwhich Job Template and Workflow Job Template IDs have Bitbucket DC webhooks configured, without\nknowing the secret webhook_key."
    }
  ],
  "lastModified": "2026-09-26T23:16:37.953",
  "sourceIdentifier": "secalert@redhat.com"
}