Critical XXE in Apache Tika (tika-parser-pdf-module) in Apache Tika 1.13 through and including 3.2.1 on all platforms allows an attacker to carry out XML External Entity injection via a crafted XFA file inside of a PDF. An attacker may be able to read sensitive data or trigger malicious requests to internal resources or third-party servers. Note that the tika-parser-pdf-module is used as a dependency in several Tika packages including at least: tika-parsers-standard-modules, tika-parsers-standard-package, tika-app, tika-grpc and tika-server-standard. Users are recommended to upgrade to version 3.2.2, which fixes this issue.
Apache Tika versions 1.13 through 3.2.1 are vulnerable to XXE via malicious XFA in PDFs, allowing file read and SSRF attacks. References: https://lists.apache.org/thread/8xn3rqy6kz5b3l1t83kcofkw0w4mmj1w https://lists.debian.org/debian-lts-announce/2025/10/msg00030.html https://nvd.nist.gov/vuln/detail/CVE-2025-54988 Remediation: Upgrade to Apache Tika 3.2.2 or later.
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