CVE-2016-4434
HighSummary
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving spreadsheets in OOXML files and XMP metadata in PDF and other file formats.
Risk Assessment
An XXE attack may lead to the disclosure of sensitive data or system compromise, posing a significant security threat to the organization.
Recommendation
It is recommended to upgrade Apache Tika to version 1.13 or later to mitigate this vulnerability and ensure proper XML parser configuration.
Other vulnerabilities in Apache Tika
See all- CVE-2026-66756Critical
Apache Tika from 4.0.0-alpha-1 to before 4.0.0-beta-1 has an improper protection of alternate path vulnerability. An attacker could exploit this to bypass security controls.
- CVE-2016-6809Critical
Apache Tika before 1.14 allows Java code execution for serialized objects embedded in MATLAB files. The issue exists because Tika invokes JMatIO to do native deserialization.
- CVE-2026-66755High
Apache Tika from version 1.8 through 3.3.1 and 4.0.0-alpha-1 has a relative path traversal vulnerability in the ISA-Tab parser. An attacker can place files in a directory and then read arbitrary files accessible to the Tika process via a crafted "Study Assay File Name" value.
Original NVD description (English source)
Apache Tika before 1.13 does not properly initialize the XML parser or choose handlers, which might allow remote attackers to conduct XML External Entity (XXE) attacks via vectors involving (1) spreadsheets in OOXML files and (2) XMP metadata in PDF and other file formats, a related issue to CVE-2016-2175.