FKIE_CVE-2026-48753

Vulnerability from fkie_nvd - Published: 2026-08-21 15:16 - Updated: 2026-10-15 19:10
Severity
9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Summary
Incus is a system container and virtual machine manager. Prior to version 7.1.0, the S3 protocol upload endpoint is vulnerable to path traversal and allows creation of arbitrary files on the host. This behavior could lead to arbitrary command execution. Version 7.1.0 fixes the issue.
References
security-advisories@github.comhttps://github.com/lxc/incus/security/advisories/GHSA-ccjc-4qc3-jxqc
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/lxc/incus/security/advisories/GHSA-ccjc-4qc3-jxqc
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "incus",
          "vendor": "lxc",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 7.1.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Incus is a system container and virtual machine manager. Prior to version 7.1.0, the S3 protocol upload endpoint is vulnerable to path traversal and allows creation of arbitrary files on the host. This behavior could lead to arbitrary command execution. Version 7.1.0 fixes the issue."
    },
    {
      "lang": "es",
      "value": "Incus es un gestor de contenedores de sistema y m\u00e1quinas virtuales. Antes de la versi\u00f3n 7.1.0, el punto final de carga del protocolo S3 es vulnerable a salto de ruta y permite la creaci\u00f3n de archivos arbitrarios en el anfitri\u00f3n. Este comportamiento podr\u00eda llevar a la ejecuci\u00f3n arbitraria de comandos. La versi\u00f3n 7.1.0 corrige el problema."
    }
  ],
  "id": "CVE-2026-48753",
  "lastModified": "2026-10-15T19:10:00.173",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.9,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 6.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-48753",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-21T15:36:20.469182Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-21T15:16:40.800",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/lxc/incus/security/advisories/GHSA-ccjc-4qc3-jxqc"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://github.com/lxc/incus/security/advisories/GHSA-ccjc-4qc3-jxqc"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-73"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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