{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-67394",
        "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
        "state": "PUBLISHED",
        "assignerShortName": "hackerone",
        "dateReserved": "2026-07-29T15:00:02.293Z",
        "datePublished": "2026-09-01T02:07:41.777Z",
        "dateUpdated": "2026-09-01T02:07:41.777Z"
    },
    "containers": {
        "cna": {
            "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."
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "vendor": "WebPros",
                    "product": "Plesk",
                    "versions": [
                        {
                            "version": "18.0.34",
                            "status": "affected",
                            "lessThan": "18.0.79.9",
                            "versionType": "semver"
                        },
                        {
                            "version": "18.0.80",
                            "status": "affected",
                            "lessThan": "18.0.80.5",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://support.plesk.com/hc/en-us/articles/42968165026967-CVE-2026-67394-Vulnerability-in-Plesk-allows-privilege-escalation-to-root"
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "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",
                        "baseScore": 9,
                        "baseSeverity": "CRITICAL"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "cweId": "CWE-78",
                            "description": "CWE-78 OS Command Injection"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Aziz Knani",
                    "type": "finder"
                }
            ],
            "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)"
                }
            ],
            "providerMetadata": {
                "orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
                "shortName": "hackerone",
                "dateUpdated": "2026-09-01T02:07:41.777Z"
            }
        }
    }
}