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Acronis cPanel Backup Plugin Vulnerability Exploited in Targeted Attacks

The Hacker News
Actively Exploited
LinuxCVEVulnerabilityPrivilege Escalation

Overview

Acronis has reported a serious security vulnerability in its Backup plugin for cPanel and Web Host Manager (WHM), which is currently being exploited in targeted attacks. The flaw, known as CVE-2026-87886, has a CVSS score of 7.8 and allows local privilege escalation due to improper file permissions. This issue affects the Acronis Backup plugin for cPanel and WHM on Linux systems. Users of these services should take immediate action, as the vulnerability poses a significant risk to their systems. Promptly addressing this flaw is crucial to prevent unauthorized access and potential data breaches.

Key Takeaways

  • Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
  • Affected Systems: Acronis Backup plugin for cPanel and WHM (Linux)
  • Action Required: Acronis recommends updating to the latest version of the Backup plugin to mitigate the vulnerability.
  • Timeline: Newly disclosed

Original Article Summary

Acronis has warned that a high-severity security flaw in its Backup plugin for cPanel and Web Host Manager (WHM) deployments has been exploited in the wild. The vulnerability, tracked as CVE-2026-87886 (CVSS score: 7.8), is described as a case of local privilege escalation due to insecure file permissions. It affects the following versions - Acronis Backup plugin for cPanel & WHM (Linux

Impact

Acronis Backup plugin for cPanel and WHM (Linux)

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Acronis recommends updating to the latest version of the Backup plugin to mitigate the vulnerability. Users should also review file permissions and ensure they are properly configured to prevent unauthorized access.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Linux, CVE, Vulnerability, and 1 more.

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