OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges. (CVE-2026-87898)
A vulnerability in Plesk allows remote authenticated users to perform OS command injection, enabling execution of arbitrary code with root privileges. This critical flaw could lead to full system compromise if exploited.
AI Analysis
Technical Summary
CVE-2026-87898 is an OS command injection vulnerability in Plesk that permits remote authenticated users to execute arbitrary commands with root privileges. The vulnerability is classified under CWE-78 and has a critical severity rating. No affected versions or patch information are provided, and there are no known exploits in the wild at this time.
Potential Impact
Successful exploitation allows an authenticated attacker to execute arbitrary OS commands as root, potentially leading to complete system takeover and unauthorized control over the affected server.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to Plesk interfaces to trusted users only and monitor for suspicious activity.
OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges. (CVE-2026-87898)
Description
A vulnerability in Plesk allows remote authenticated users to perform OS command injection, enabling execution of arbitrary code with root privileges. This critical flaw could lead to full system compromise if exploited.
CVSS v4.0
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-87898 is an OS command injection vulnerability in Plesk that permits remote authenticated users to execute arbitrary commands with root privileges. The vulnerability is classified under CWE-78 and has a critical severity rating. No affected versions or patch information are provided, and there are no known exploits in the wild at this time.
Potential Impact
Successful exploitation allows an authenticated attacker to execute arbitrary OS commands as root, potentially leading to complete system takeover and unauthorized control over the affected server.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to Plesk interfaces to trusted users only and monitor for suspicious activity.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-q589-mpmp-9796
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-87898"]
- Database Specific Severity
- CRITICAL
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ab4be87f7a7c54106f0df0d
Added to database: 09/24/2026, 06:09:11 UTC
Last enriched: 09/24/2026, 06:56:08 UTC
Last updated: 09/25/2026, 03:47:33 UTC
Views: 7
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