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Apache StrutsApache Struts: OGNL injection in the legacy RESTful action mapper

Risk 90
Severity
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Improper neutralization of special elements used in an expression language statement ('Expression Language Injection') vulnerability in Apache Struts. If the application is configured to use the legacy RESTful action mapper, a crafted request can inject an OGNL expression that may lead to remote code execution. Struts 7 is affected only when the OGNL allowlist is disabled; it is enabled by default. Applications using the default action mapper, the restful2 mapper, or the Struts REST plugin are not affected.

This issue affects Apache Struts: from 2.0.0 through 2.3.37, from 2.5.0 through 2.5.33, from 6.0.0 through 6.11.0, from 7.0.0 through 7.3.0.

Users are recommended to upgrade to version 6.12.0 or 7.4.0, which fixes the issue.

First published (updated )
CVE-2026-104711

maven/org.apache.struts:struts2-coreApache Struts Remote Code Execution Vulnerability

Risk 100
Severity
9.8
Exploited
Input Validation, Malicious File Upload
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Apache Struts Jakarta Multipart parser allows for malicious file upload using the Content-Type value, leading to remote code execution.

1 / 3
Source: CISA
First published (updated )
CVE-2017-5638

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