GoKawiilAcronis fixes actively exploited privilege escalation bug in cPanel/Plesk backup plugin
Acronis has patched a high-severity local privilege escalation flaw, tracked as CVE-2026-87886, in its backup add-ons for cPanel/WHM and Plesk. The company says it has seen limited, targeted exploitation attempts against affected deployments, based on a report from one potentially affected customer. Fixed versions are 1.9.3 HF3 for cPanel/WHM and 1.8.11 for Plesk.