Allocation of Resources Without Limits or Throttling Affecting activestorage package, versions <7.2.3.1>=8.0.0, <8.0.4.1>=8.1.0, <8.1.2.1
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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- published26 Mar 2026
- disclosed25 Mar 2026
- creditUnknown
Introduced: 25 Mar 2026
NewCVE-2026-33658 (opens in a new tab)How to fix?
Upgrade activestorage to version 7.2.3.1, 8.0.4.1, 8.1.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the proxy controller when processing HTTP requests containing a large number of byte ranges in the Range header. An attacker can cause excessive CPU usage by sending requests with thousands of small ranges, leading to resource exhaustion and potential service disruption.