Acronis Backup extension for Plesk vulnerabilities

2 known vulnerabilities in Acronis Backup extension for Plesk from Acronis. 2 are rated high or critical, and 1 has been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.8 High severity

  Acronis Backup Incorrect Default Permissions Exploited

  CVE-2026-87886Sep 17, 2026Acronis

  Local privilege escalation due to insecure file permissions. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 1.9.3.1021, Acronis Backup extension for Plesk (Linux) before build 1.8.11.638, Acronis Backup plugin

• 9.9 Critical severity

  Acronis Backup plugin for cPanel & WHM: Execution with Unnecessary Privileges

  CVE-2024-8767Sep 17, 2024Acronis

  Sensitive data disclosure and manipulation due to unnecessary privileges assignment. The following products are affected: Acronis Backup plugin for cPanel & WHM (Linux) before build 619, Acronis Backup extension for Plesk (Linux) before build 555, Acronis Back