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Werk #17982: Added a file size upload restriction

Component Site management
Title Added a file size upload restriction
Date Jul 1, 2025
Level Trivial Change
Class New Feature
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.5.0b1
Not yet released 		Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

As of this change, Checkmk will now restrict the maximum file upload size to 100MB. This change will affect but may not be limited to:

  • Adding new icons.
  • Uploading CRT/PEM files.
  • Bulk host addition via CSV spreadsheets.
  • Uploading MKP packages.
  • Importing a calendar with ICS files.

This restriction has been performed to better improve the site's resilience to upload based attacks.

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