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Apache Struts 2 is Missing XML Validation

High severity GitHub Reviewed Published Jan 11, 2026 to the GitHub Advisory Database • Updated Jan 16, 2026

Package

maven com.opensymphony:xwork (Maven)

Affected versions

>= 2.0.0, < 2.2.1

Patched versions

None
maven org.apache.struts.xwork:xwork-core (Maven)
>= 2.2.1, < 6.1.1
None
maven org.apache.struts:struts2-core (Maven)
>= 2.0.0, <= 2.3.37
>= 2.5.0, <= 2.5.33
>= 6.0.0, < 6.1.1
6.1.1

Description

Missing XML Validation vulnerability in Apache Struts, Apache Struts.

This issue affects Apache Struts: from 2.0.0 before 2.2.1; Apache Struts: from 2.2.1 through 6.1.0.

Users are recommended to upgrade to version 6.1.1, which fixes the issue.

References

Published by the National Vulnerability Database Jan 11, 2026
Published to the GitHub Advisory Database Jan 11, 2026
Reviewed Jan 13, 2026
Last updated Jan 16, 2026

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(33rd percentile)

Weaknesses

Missing XML Validation

The product accepts XML from an untrusted source but does not validate the XML against the proper schema. Learn more on MITRE.

Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Learn more on MITRE.

CVE ID

CVE-2025-68493

GHSA ID

GHSA-qcfc-hmrc-59x7

Source code

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