Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
WebPros Plesk unaffected
Version Status Constraints
0 affected < 18.0.80.1

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.plesk.com/hc/en-us/articles/42432168683799 cve-icon
History

Fri, 07 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
Title Plesk XML‑RPC API Improper Privilege Management Enables Reseller to Gain Root Session

Fri, 07 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Fri, 07 Aug 2026 18:15:00 +0000

Type Values Removed Values Added
Description Improper privilege management in the XML-RPC API of Plesk before 18.0.80, allows an authenticated reseller to obtain an administrative session for the root user account.
Weaknesses CWE-269
References
Metrics cvssV3_0

{'score': 9.9, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-08-07T18:25:40.293Z

Reserved: 2026-07-20T15:00:00.696Z

Link: CVE-2026-64637

cve-icon Vulnrichment

Updated: 2026-08-07T18:25:26.192Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-07T19:30:04Z

Weaknesses