{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Plesk",
          "vendor": "WebPros",
          "versions": [
            {
              "lessThan": "18.0.79.9",
              "status": "affected",
              "version": "18.0.34",
              "versionType": "semver"
            },
            {
              "lessThan": "18.0.80.5",
              "status": "affected",
              "version": "18.0.80",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Aziz Knani"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A critical local privilege escalation via OS command injection vulnerability has been discovered in Plesk for Linux, affecting all versions from 18.0.34 before 18.0.79.9 and 18.0.80.5. The vulnerability allows a customer or reseller with shell access (or allowed to change their own shell access) to elevate privileges to the root account on the hosting server."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78 OS Command Injection",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-01T02:07:41.777Z",
        "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "shortName": "hackerone"
      },
      "references": [
        {
          "url": "https://support.plesk.com/hc/en-us/articles/42968165026967-CVE-2026-67394-Vulnerability-in-Plesk-allows-privilege-escalation-to-root"
        }
      ],
      "workarounds": [
        {
          "lang": "en",
          "value": "Disable shell access for customers or resellers if it is not required (make sure their service plan does not allow to change it)"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
    "assignerShortName": "hackerone",
    "cveId": "CVE-2026-67394",
    "datePublished": "2026-09-01T02:07:41.777Z",
    "dateReserved": "2026-07-29T15:00:02.293Z",
    "dateUpdated": "2026-09-01T02:07:41.777Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}