CVE-2026-87886: Acronis Backup

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

Vendor: Acronis
Product: Backup
Vulnerability: Acronis Backup Incorrect Default Permissions Vulnerability
Date added: Sep 16, 2026
CISA due date (U.S. federal agencies): Sep 19, 2026
Known ransomware campaign use: Unknown
Weakness (CWE): CWE-276

References

NVD — CVE-2026-87886
security-advisory.acronis.com
www.cisa.gov
www.cisa.gov
nvd.nist.gov

This site summarizes CISA's catalog for information only. It is not security advice — follow your vendor's guidance and official advisories.

Last updated: Oct 4, 2026 17:31 UTC · Catalog version 2026.10.02