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CVE-2026-12540

Estado: En análisisAlta (8.2)—

A flaw was found in Foreman. A command injection vulnerability exists in the foreman-rake errors:fetch_log task. The request_id parameter is passed to an underlying system command (typically grep) without adequate shell neutralization. While the task is intended to fetch specific log entries, an attacker with sudo permissions to execute this rake task can inject shell metacharacters (such as ;, ", or |) to break out of the intended command and execute arbitrary code.

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.

CWE-78 (command injection) con acceso local requerido (AV:L, PR:H) permite ejecución arbitraria de comandos tras escalada de privilegios via rake task con sudo.

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 (1)

⚠ 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-2026-12540",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-12540",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-06T01:48:01.315252Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secalert@redhat.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8.2,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 1.5
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:/a:redhat:satellite:6.16::el8",
            "cpe:/a:redhat:satellite:6.16::el9",
            "cpe:/a:redhat:satellite_capsule:6.16::el8",
            "cpe:/a:redhat:satellite_capsule:6.16::el9",
            "cpe:/a:redhat:satellite_utils:6.16::el8",
            "cpe:/a:redhat:satellite_utils:6.16::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6.16 for RHEL 8",
          "versions": [
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              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "foreman",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:satellite:6.16::el8",
            "cpe:/a:redhat:satellite:6.16::el9",
            "cpe:/a:redhat:satellite_capsule:6.16::el8",
            "cpe:/a:redhat:satellite_capsule:6.16::el9",
            "cpe:/a:redhat:satellite_utils:6.16::el8",
            "cpe:/a:redhat:satellite_utils:6.16::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6.16 for RHEL 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:3.12.0.23-1.el9sat",
              "lessThan": "*",
              "versionType": "rpm"
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          ],
          "packageName": "foreman",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:satellite:6.17::el9",
            "cpe:/a:redhat:satellite_capsule:6.17::el9",
            "cpe:/a:redhat:satellite_utils:6.17::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6.17 for RHEL 9",
          "versions": [
            {
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              "version": "0:3.14.0.22-1.el9sat",
              "lessThan": "*",
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          ],
          "packageName": "foreman",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:satellite:6.18::el9",
            "cpe:/a:redhat:satellite_capsule:6.18::el9",
            "cpe:/a:redhat:satellite_utils:6.18::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6.18 for RHEL 9",
          "versions": [
            {
              "status": "unaffected",
              "version": "0:3.16.0.25-1.el9sat",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "foreman",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:satellite:6.19::el9",
            "cpe:/a:redhat:satellite_capsule:6.19::el9",
            "cpe:/a:redhat:satellite_utils:6.19::el9"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6.19 for RHEL 9",
          "versions": [
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              "status": "unaffected",
              "version": "0:3.18.0.14-1.el9sat",
              "lessThan": "*",
              "versionType": "rpm"
            }
          ],
          "packageName": "foreman",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        },
        {
          "cpes": [
            "cpe:/a:redhat:satellite:6"
          ],
          "vendor": "Red Hat",
          "product": "Red Hat Satellite 6",
          "packageName": "satellite:el8/foreman",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-10-01T17:17:20.053",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:74503",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:74504",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:74505",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:74506",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-12540",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2489969",
      "source": "secalert@redhat.com"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Foreman. A command injection vulnerability exists in the foreman-rake errors:fetch_log task. The request_id parameter is passed to an underlying system command (typically grep) without adequate shell neutralization. While the task is intended to fetch specific log entries, an attacker with sudo permissions to execute this rake task can inject shell metacharacters (such as ;, \", or |) to break out of the intended command and execute arbitrary code."
    }
  ],
  "lastModified": "2026-10-06T02:17:04.803",
  "sourceIdentifier": "secalert@redhat.com"
}