Acronis reported a high-severity local privilege escalation vulnerability in its backup plugin for cPanel, WHM, and Plesk on Linux. This vulnerability enables an attacker with local access to escalate privileges, potentially gaining higher-level control over the system. The flaw is actively exploited in the wild, highlighting its critical nature. However, no detailed technical information, affected versions, or patch status have been disclosed in the provided data.

The vulnerability allows local attackers to escalate privileges on Linux systems running the Acronis backup plugin for cPanel, WHM, and Plesk. This could lead to unauthorized administrative access and control over the affected systems. Active exploitation in the wild increases the urgency and risk to affected environments.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to the backup plugin. Follow Acronis's official communications for updates and apply patches promptly once released.