CVE-2025-68493 is a security vulnerability identified in the Apache Struts framework, specifically related to missing XML validation (CWE-112). Apache Struts is a widely used open-source framework for building Java web applications. The vulnerability affects all versions from 2.0.0 up to and including 6.1.0. The core issue is that the framework does not properly validate XML input, which can allow attackers to craft malicious XML payloads that bypass intended security checks. This can lead to injection attacks, unauthorized data manipulation, or potentially remote code execution depending on the application context and how XML data is processed. Although no public exploits have been reported yet, the vulnerability is critical because XML input is commonly used in web services and enterprise applications built on Struts. The lack of validation means attackers could exploit this flaw to compromise application logic or data integrity. The Apache Software Foundation has addressed this issue in version 6.1.1, and users are strongly advised to upgrade. The vulnerability does not require user interaction, and exploitation feasibility depends on the exposure of vulnerable endpoints that process XML data. Given Apache Struts’ extensive deployment in enterprise environments, this vulnerability represents a significant risk vector for attackers targeting web applications and services.

For European organizations, the impact of CVE-2025-68493 can be substantial. Apache Struts is widely used in government, financial, healthcare, and telecommunications sectors across Europe, often forming the backbone of critical web applications and services. Exploitation of this vulnerability could lead to unauthorized access, data breaches, or manipulation of sensitive information, undermining confidentiality and integrity. Additionally, depending on the application, availability could be affected if attackers leverage the flaw to disrupt services. The risk is heightened for organizations that expose XML processing endpoints to the internet or have insufficient input validation controls. Given the strict data protection regulations in Europe, such as GDPR, a successful attack exploiting this vulnerability could also result in regulatory penalties and reputational damage. The absence of known exploits currently provides a window for proactive mitigation, but the widespread use of Apache Struts means the threat landscape could evolve rapidly once exploit code becomes available.

1. Immediate upgrade to Apache Struts version 6.1.1 or later, which contains the fix for this vulnerability. 2. Implement strict input validation and sanitization for all XML data processed by applications, including schema validation and whitelisting of expected elements and attributes. 3. Employ web application firewalls (WAFs) with updated rules to detect and block malicious XML payloads targeting this vulnerability. 4. Conduct thorough code reviews and security testing focusing on XML processing components to identify and remediate any residual validation issues. 5. Limit exposure of XML processing endpoints by restricting access through network segmentation, VPNs, or IP whitelisting. 6. Monitor logs and network traffic for unusual XML activity or error patterns indicative of exploitation attempts. 7. Educate development and security teams about secure XML handling practices and the importance of timely patching. 8. Consider deploying runtime application self-protection (RASP) solutions to detect and block exploitation attempts in real time.