SB2026060196 - Privilege escalation in Plesk
Published: June 1, 2026
Security Bulletin ID
SB2026060196
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) XPath injection (CVE-ID: CVE-2026-44962)
CWE-ID: CWE-643 - Improper Neutralization of Data within XPath Expressions
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper input validation in the APS Application Catalog search functionality. A local user can execute arbitrary OS commands on the server with elevated privileges.
Remediation
Install update from vendor's website.