# CVE-2026-73632

## Summary

- **CVE ID:** CVE-2026-73632
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-567
- **Published:** Aug 15, 2026
- **Last Modified:** Aug 17, 2026

## Description

Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. Per-response serialization state could be shared across concurrent requests, allowing response content associated with one request to become observable in another. Only the SMD / JSON-RPC handling of the JSON interceptor is affected, which is not enabled by default; applications using the json result type are not affected.

This issue affects Apache Struts: 7.2.1.

Users are recommended to upgrade to version 7.3.0, which fixes the issue.

## Affected Products

- Apache Software Foundation — Apache Struts (7.2.1)

## References

- [CNA](https://cwiki.apache.org/confluence/display/WW/S2-071)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._