CVE-2026-48750

{
  "id": "CVE-2026-48750",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-21T15:16:40.390",
  "lastModified": "2026-11-06T01:17:49.330",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incus is a system container and virtual machine manager. Prior to version 7.2.0, the `record-output` parameter of the `/instances/$name/exec` endpoint stores the output of the command in the `exec-output` directory of the instance. If `exec-output` is a symlink, file named `exec_UUID.stdout` and `exec_UUID.stderr` can be written to an arbitrary location where the `.stdout` file will contain arbitrary content. This behavior can be abused for arbitrary command execution. Version 7.2.0 contains a patch."
    },
    {
      "lang": "es",
      "value": "Incus es un gestor de contenedores de sistema y máquinas virtuales. Antes de la versión 7.2.0, el parámetro 'record-output' del punto final '/instances/$name/exec' almacena la salida del comando en el directorio 'exec-output' de la instancia. Si 'exec-output' es un enlace simbólico, los archivos llamados 'exec_UUID.stdout' y 'exec_UUID.stderr' pueden escribirse en una ubicación arbitraria donde el archivo '.stdout' contendrá contenido arbitrario. Este comportamiento puede ser abusado para la ejecución arbitraria de comandos. La versión 7.2.0 contiene un parche."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "lxc",
          "product": "incus",
          "versions": [
            {
              "version": "< 7.2.0",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "canonical",
          "product": "lxd",
          "versions": [
            {
              "version": ">= 4.0.0, < 4.0.11",
              "status": "affected"
            },
            {
              "version": ">= 5.0.0, < 5.0.7",
              "status": "affected"
            },
            {
              "version": ">= 5.1.0, < 5.21.5",
              "status": "affected"
            },
            {
              "version": ">= 6.0.0, < 6.9.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 9.9,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-26T17:24:17.722732Z",
          "id": "CVE-2026-48750",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-73"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/canonical/lxd/security/advisories/GHSA-9j25-mm2h-2f76",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/lxc/incus/security/advisories/GHSA-73hr-m85f-64v9",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ]
}