Liquid Web Status · History · Incident #137752

RESOLVED

Acronis Plugin Security Advisory (SEC-10986) -cPanel/Plesk

Minor · Started Sep 16, 2026 · 10:49 AM

  • Duration

    2d 11h 25m

  • Severity

    Minor

  • Detection lead

    —

  • User reports

    —

Summary

Acronis Plugin Security Advisory (SEC-10986) -cPanel/Plesk

This incident has been resolved.


  • Started

    Sep 16, 2026 · 10:49 AM

  • Resolved

    Sep 18, 2026 · 10:15 PM

  • Duration

    2d 11h 25m

  • Severity

    Minor

Event timeline

How this incident unfolded

  • ◆

    Identified

    Sep 16 · 10:49 AM Liquid Web

    We are aware of the recent security advisory (SEC-10986) regarding the Acronis Cyber Protect Backup plugin for hosting control panels (cPanel/Plesk). Our Engineers are actively evaluating the impact across our fleet and verifying plugin versioning. We are conducting a thorough audit to confirm full patch coverage, identify any edge cases that require manual updates, and ensure that all managed systems remain secure. Service Disruption: None. Backups and control panel operations remain fully functional. We are actively auditing server inventory alongside our engineering teams. Further updates will be provided as soon as the fleet-wide verification is complete

  • ◆

    Identified

    Sep 17 · 1:25 AM Liquid Web

    The security patch for CVE-2026-87886 (SEC-10986) is being applied across the affected Acronis Cyber Protect Backup plugin. Our engineers continue to monitor the environment and validate the patched systems. We have not observed any new issues since our last update run. We will provide further updates as needed. Thank you for your patience and understanding.

  • ◉

    Monitoring

    Sep 17 · 6:09 AM Liquid Web

    The security patch for CVE-2026-87886 (SEC-10986) is applied across the affected Acronis Cyber Protect Backup plugins. Our Engineering team continues to monitor the environment and validate the patched systems. We have not observed any new issues since our last update. If you need assistance or have any concerns, please get in touch with our Support team.

  • ✓

    Resolved

    Sep 18 · 10:15 PM Liquid Web

    This incident has been resolved.

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