CVE-2026-64637

CVE Enrichment

CVSS: 9.9 CRITICAL
EPSS: 0.47%
EPSS Percentile: 39.03%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 3.0
CNA / NVD Source: support@hackerone.com
Published: 08-Aug-2026 01:17
Last Modified: 04-Sep-2026 00:02
EPSS Date: 2026-10-13
CWE: CWE-269

CVSS Vector


            CVSS:3.0                            AV:N /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:C /
                            C:H /
                            I:H /
                            A:H

References

support@hackerone.com

Last enrichment sync: 14-Oct-2026 07:21
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-64637 Recorded Future Reports 94 High-Impact Vulnerabilities in September 2026, Including 80 Actively Exploited

CVE (76)

Malware (6)

Threat Actors (8)

Vendors (10)

Products (67)

Tools (7)

Industries (1)

Countries (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.