CVE-2026-48614

Plesk: Plesk: Privilege escalation via improper authorization in XML API

Published Jul 6, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
An improper authorization vulnerability in the Plesk XML API allows an authenticated user to inject arbitrary configuration directives, resulting in arbitrary file write as root and full privilege escalation on the underlying server.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Root Privilege Escalation via Plesk XML API Abuse Plesk: Plesk: Privilege escalation via improper authorization in XML API
Weaknesses CWE-15
References
Metrics threat_severity

None

threat_severity

Critical

Type Values Removed Values Added
Title Root Privilege Escalation via Plesk XML API Abuse
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Webpros
Webpros plesk
Vendors & Products Webpros
Webpros plesk
Type Values Removed Values Added
Description An improper authorization vulnerability in the Plesk XML API allows an authenticated user to inject arbitrary configuration directives, resulting in arbitrary file write as root and full privilege escalation on the underlying server.
Weaknesses CWE-94
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Jul 6, 2026, 5:39 PM
Reserved
May 22, 2026, 3:00 PM
Status
Deferred
Published
Jul 6, 2026, 6:16 PM
Modified
Oct 25, 2026, 8:10 PM
Severity
Critical
Public date
Jul 6, 2026, 4:46 PM