CVE-2026-73631

EUVD-2026-59605

15.08.2026, 11:16

Exposure of data element to wrong session vulnerability in the JSON plugin of Apache Struts. Per-request parsing state could be shared across concurrent requests, allowing data associated with one request to become observable in another, and configured parsing limits not to be enforced as intended. Populating actions from a JSON request body is not enabled by default; applications that do not use the JSON plugin 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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
apache	CNA	UNKNOWN				---

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
apache	struts	7.2.1	CNA

Common Weakness Enumeration

CWE-567 - Unsynchronized Access to Shared Data in a Multithreaded Context
The product does not properly synchronize shared data, such as static variables across threads, which can lead to undefined behavior and unpredictable data changes.

Vulnerability Media Exposure

[GERMAN] Apache Struts: Mehrere Schwachstellen
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apache Struts ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen und zu manipulieren oder um einen Denial of Service zu verursachen.
Published: 2026-08-13T22:00:00+00:00

References

https://cwiki.apache.org/confluence/display/WW/S2-070