Maximum-severity XXE vulnerability discovered in Apache Tika
A maximum severity vulnerability in Apache Tika, tracked as CVE-2025-66516 (CVSS score of 10.0), allows XML external entity attacks. CVE-2025-66516 carries a maximum CVSS rating of 10.0 because it lets attackers trigger an XXE injection in Apache Tika’s core, PDF, and parser modules. An attacker can embed a malicious XFA file inside a PDF and […]
Pierluigi Paganini
December 06, 2025

CVE-2025-66516 carries a maximum CVSS rating of 10.0 because it lets attackers trigger an XXE injection in Apache Tika’s core, PDF, and parser modules. An attacker can embed a malicious XFA file inside a PDF and trick Tika into processing external XML entities, opening a path to sensitive internal resources.
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