What's Happening?
A critical vulnerability has been identified in the Apache Tika open source analysis toolkit, which could allow attackers to perform XML External Entity (XXE) injection attacks. Apache Tika is widely used for extracting information from various file types,
making it integral to indexing and analysis tools. The vulnerability, tracked as CVE-2025-66516 with a CVSS score of 10/10, affects the tika-core, tika-pdf-module, and tika-parsers modules. Attackers can exploit this flaw through crafted XFA files embedded in PDF files across all platforms. Successful exploitation could lead to information leaks, server-side request forgery (SSRF) attacks, denial-of-service (DoS), or remote code execution (RCE). The vulnerability is particularly concerning due to Apache Tika's role in search engines, content management systems, and data analysis tools. The issue expands on a previous vulnerability, CVE-2025-54988, and has been patched in the latest versions of the affected modules.
Why It's Important?
The discovery of this vulnerability is significant due to the widespread use of Apache Tika in various critical applications. The potential for information leaks and remote code execution poses a substantial risk to organizations relying on Tika for data processing and analysis. The vulnerability's high CVSS score underscores the urgency for users to apply the necessary patches to protect their systems. Failure to address this issue could lead to severe security breaches, impacting data integrity and confidentiality. Organizations using Apache Tika must prioritize updating to the patched versions to mitigate these risks and ensure the security of their systems.
What's Next?
Users of Apache Tika are advised to immediately apply the patches released for tika-core version 3.2.2, tika-parser-pdf-module version 3.2.2, and tika-parsers version 2.0.0. As the affected modules are dependencies in other packages, it is crucial for developers and system administrators to review their software dependencies and update them accordingly. Continued vigilance and timely updates are essential to prevent exploitation of this and similar vulnerabilities in the future. Organizations should also consider implementing additional security measures, such as regular vulnerability assessments and monitoring, to enhance their overall security posture.












