CVE-2026-87898
Received Received - Intake

OS Command Injection in Plesk with Root Privilege Escalation

Vulnerability report for CVE-2026-87898, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: HackerOne

Description

OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-24
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
plesk plesk *
plesk site_import to 1.12.2 (exc)
plesk site_import From 1.12.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Attack-Flow Graph

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EPSS Chart