Allocation of Resources Without Limits or Throttling Affecting org.apache.struts:struts2-json-plugin package, versions [,6.11.0)[7.0.0,7.3.0)
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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- published27 Aug 2026
- disclosed14 Aug 2026
- creditMichael Mullins
Introduced: 14 Aug 2026
NewCVE-2026-73633 (opens in a new tab)How to fix?
Upgrade org.apache.struts:struts2-json-plugin to version 6.11.0, 7.3.0 or higher.
Overview
Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the JSON plugin when handling JSON request bodies. An attacker can cause excessive memory consumption by sending a large JSON payload, potentially leading to service disruption for other users.
Note: This is only exploitable if the application is configured to populate actions from a JSON request body using the JSON plugin.