Unpatched Acronis Backup Plugin (CVE-2026-87886) Version Inventory

Ibrahim Saud@tektrix

•updated Sep 16, 2026•0•0•3

This rule identifies servers running an outdated and vulnerable version (1.9.3 HF3) of the Acronis Backup plugin within cPanel, WHM, or Plesk environments. This specific version is known to be vulnerable to CVE-2026-87886.