CVE-2026-67397: CWE-22 Path Traversal in WebPros Plesk
Description
CVE-2026-67397 is a path traversal vulnerability in WebPros Plesk versions 18.0.79.9 and earlier, as well as 18.0.80 through 18.0.80.5. This flaw allows local users to execute arbitrary code with root privileges. The vulnerability is classified under CWE-22 (Path Traversal). It has a high severity rating with a CVSS 4.0 score of 8.5. There are no known exploits in the wild and no official patch information is provided in the available data.
CVSS v4.0
Score 8.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a path traversal issue in Plesk versions 18.0.79.9 and earlier, and 18.0.80 through 18.0.80.5. It enables local users to execute arbitrary code as root by exploiting improper validation of file paths. The vulnerability is identified as CWE-22 and carries a high severity score of 8.5 under CVSS version 4.0. No vendor advisory or patch links are currently available, and no known exploitation has been reported.
Potential Impact
Successful exploitation allows a local user to execute arbitrary code with root privileges on affected Plesk installations. This can lead to full system compromise, unauthorized access, and 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 local user access to trusted personnel only and monitor for suspicious activity related to file path manipulations.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-pm4q-j54p-8jgq
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-67397"]
- Database Specific Severity
- HIGH
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a9ad4f4acd9273b49b679c6
Added to database: 09/04/2026, 14:25:56 UTC
Last enriched: 09/07/2026, 15:07:38 UTC
Last updated: 10/19/2026, 06:48:18 UTC
Views: 91
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