CVE-2026-4802

Estado: Pendiente de análisisAlta (8)—
A flaw was found in Cockpit. This vulnerability allows a remote attacker to achieve arbitrary command execution on the host by exploiting unsanitized user-controlled parameters within crafted links in the system logs user interface (UI). An attacker can inject shell metacharacters and command substitutions into these parameters, leading to the execution of arbitrary shell commands on the affected system. This could result in a complete system compromise.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.19%
Percentil entre todas las CVEs puntuadas: 67
Fecha de la puntuación: 4/10/2026
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.
ExplotaciónT1203 Exploitation for Client Executionexecution85 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation75 %
Vector CVSS con UI:R (interacción requerida) y CWE-78 (command injection) indican explotación en cliente. La inyección de comandos shell en parámetros de la UI permite ejecución de código (T1059) y potencial escalada de privilegios en el sistema.
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

Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software Threat Intelligence Program Restrict Web-Based Content
Tecnologías afectadas (1)

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

CWE-78
CWE-78
Referencias

JSON original (NVD)

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      "url": "https://access.redhat.com/errata/RHSA-2026:21395",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
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    {
      "url": "https://access.redhat.com/errata/RHSA-2026:21468",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2026:21515",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
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    {
      "url": "https://access.redhat.com/errata/RHSA-2026:21516",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
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    {
      "url": "https://access.redhat.com/errata/RHSA-2026:21647",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
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    {
      "url": "https://access.redhat.com/errata/RHSA-2026:21676",
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    {
      "url": "https://access.redhat.com/errata/RHSA-2026:21700",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://access.redhat.com/security/cve/CVE-2026-4802",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
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    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451155",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    },
    {
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4802.json",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Cockpit. This vulnerability allows a remote attacker to achieve arbitrary command execution on the host by exploiting unsanitized user-controlled parameters within crafted links in the system logs user interface (UI). An attacker can inject shell metacharacters and command substitutions into these parameters, leading to the execution of arbitrary shell commands on the affected system. This could result in a complete system compromise."
    }
  ],
  "lastModified": "2026-07-15T02:22:55.490",
  "sourceIdentifier": "secalert@redhat.com"
}