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Comet Backup 1.5.6 — cPanel & WHM Update

Bug fixes This release fixes Comet Backup jobs failing en masse with locked-by-device retention errors on busy servers. The plugin now requests the less-often automatic-retention ruleset for dispatched backups and no longer cancels orphaned in-flight jobs, so overlapping retention passes cannot wedge the device.

Medium
cPanel

Affected Versions

1.5.6

Bug fixes This release fixes Comet Backup jobs failing en masse with locked-by-device retention errors on busy servers. The plugin now requests the less-often automatic-retention ruleset for dispatched backups and no longer cancels orphaned in-flight jobs, so overlapping retention passes cannot wedge the device.

Comet Backup 1.5.6

2026 July 14

Bug fixes

This release fixes Comet Backup jobs failing en masse with locked-by-device retention errors on busy servers. The plugin now requests the less-often automatic-retention ruleset for dispatched backups and no longer cancels orphaned in-flight jobs, so overlapping retention passes cannot wedge the device.

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo /scripts/upcp --force

References

Security Advisories

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