PYSEC-2026-558 Unstructured has Path Traversal via Malicious MSG Attachment that Allows Arbitrary File Write

A Path Traversal vulnerability in the partitionmsg function allows an attacker to write or overwrite arbitrary files on the filesystem when processing malicious MSG files with attachments. Impact An attacker can craft a malicious .msg file with attachment filenames containing path traversal...

CVE-2025-64712: Improper Limitation of a Pathname to a Restricted Directory

The unstructured library provides open-source components for ingesting and pre-processing images and text documents, such as PDFs, HTML, Word docs, and many more. Prior to version 0.18.18, a path traversal vulnerability in the partitionmsg function allows an attacker to write or overwrite arbitra...

Microsoft Outlook MSG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Microsoft Outlook. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...