Acronis Backup Incorrect Default Permissions Vulnerability

Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.

Published 15 Sep 2026Updated 15 Sep 20262 sources
CVSS 0.0 △ CISA KEV

What happened

Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.

Affected versions

Backup: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references

No public PoC reference has passed the current publication threshold.