CVE-2026-65642

Plesk: Plesk: Information disclosure and data modification via Insecure Direct Object Reference

Published Aug 26, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Insecure direct object reference in Plesk 18.0.79.7 and earlier or 18.0.80 through 18.0.80.3, allows remote authenticated users to read and modify other customers' databases.

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 Remote Authenticated Database Access via Insecure Direct Object Reference in Plesk Plesk: Plesk: Information disclosure and data modification via Insecure Direct Object Reference
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

threat_severity

Important

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Remote Authenticated Database Access via Insecure Direct Object Reference in Plesk
First Time appeared Webpros
Webpros plesk
Vendors & Products Webpros
Webpros plesk
Type Values Removed Values Added
Description Insecure direct object reference in Plesk 18.0.79.7 and earlier or 18.0.80 through 18.0.80.3, allows remote authenticated users to read and modify other customers' databases.
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Aug 27, 2026, 6:07 PM
Reserved
Jul 22, 2026, 3:00 PM
Status
Awaiting Analysis
Published
Aug 26, 2026, 10:16 PM
Modified
Sep 3, 2026, 5:02 PM
Severity
Important
Public date
Aug 26, 2026, 9:21 PM