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Message-ID: <2a9667f9-077a-1eef-4aac-3e0155d8cd18@apache.org>
Date: Thu, 30 Jul 2026 16:42:42 +0000
From: Tim Allison <tallison@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-66755: Apache Tika: Arbitrary Local File Read in
ISArchiveParser
Severity:
Affected versions:
- Apache Tika (org.apache.tika:tika-parser-scientific-module) 1.8 before 3.3.2
- Apache Tika (org.apache.tika:tika-parser-scientific-module) 4.0.0-alpha-1 before 4.0.0-beta-1
Description:
Relative Path Traversal in the ISA-Tab parser in Apache Software Foundation Apache Tika from 1.8 through 3.3.1, and 4.0.0-alpha-1, allows an attacker who can place files in a directory that the application subsequently parses to read arbitrary files accessible to the Tika process and have their contents emitted into the extracted text output, via a "Study Assay File Name" value in the ISA-Tab investigation file that traverses outside the dataset directory. Users are recommended to upgrade to version 3.3.2 or 4.0.0-beta-1, which fixes this issue.
Credit:
Reported by BugQore, who supplied a patch in PR #2873. (finder)
Independently reported with proposed fix by Rui Heng Koh. (finder)
References:
https://tika.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-66755
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