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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

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 ≤ 18.0.79.7
18.0.80 affected < 18.0.80.4

No data.

No data.

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Vendors Products
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Plesk Subscribe

Project Subscriptions

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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/42844242102679-Vulnerability-CVE-2026-65642-in-Plesk-s-database-management-interface cve-icon cve-icon
History

Wed, 26 Aug 2026 23:45:00 +0000

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

Wed, 26 Aug 2026 22:00:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-08-26T21:21:41.122Z

Reserved: 2026-07-22T15:00:06.103Z

Link: CVE-2026-65642

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-26T22:16:25.883

Modified: 2026-08-26T22:16:25.883

Link: CVE-2026-65642

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T23:30:12Z

Weaknesses