Unsynchronized Access to Shared Data in a Multithreaded Context Affecting org.apache.struts:struts2-json-plugin package, versions [,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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JAVA-ORGAPACHESTRUTS-19350821
- published27 Aug 2026
- disclosed15 Aug 2026
- creditg0w6y
Introduced: 15 Aug 2026
NewCVE-2026-73631 (opens in a new tab)How to fix?
Upgrade org.apache.struts:struts2-json-plugin to version 7.3.0 or higher.
Overview
Affected versions of this package are vulnerable to Unsynchronized Access to Shared Data in a Multithreaded Context in the JSON plugin due to shared parsing state across concurrent requests. An attacker can access data associated with another user's request or bypass configured parsing limits by sending simultaneous requests that exploit the shared state.