{"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":"2026-09-01T13:14:45.804Z"},"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"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-01T13:14:29.944649Z","id":"CVE-2026-67394","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-01T13:14:45.804Z"}}]}}