Summary
Acronis patched a high-severity privilege escalation vulnerability (CVE-2026-87886) in its cPanel and Plesk backup plugins that attackers are actively exploiting in the wild. The flaw allows local users to gain root access by taking advantage of insecure file permissions.
Take Action:
Check your Linux hosting servers for the Acronis backup plugin and update it to the latest version right now. Attackers are already using this flaw to gain root access, so do not wait for your next scheduled maintenance window.
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This article was originally published on BeyondMachines
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