{"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"}}}}

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