Allocation of Resources Without Limits or Throttling Affecting concrete5/concrete5 package, versions >=8.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published2 Apr 2026
- disclosed24 Mar 2026
- creditWang1r
Introduced: 24 Mar 2026
CVE-2026-30662 (opens in a new tab)How to fix?
There is no fixed version for concrete5/concrete5.
Overview
concrete5/concrete5 is a concrete5 open source CMS.
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the File Manager’s bulk download functionality due to improper memory management when creating zip archives. An attacker can cause the PHP-FPM process to terminate and the web server to return a 500 error by requesting a bulk download of large files, which loads the entire content of each file into memory.