CVE-2026-91797
Received Received - Intake

Path Traversal in Foxit PDF Editor and Reader

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: Foxit

Description
Foxit PDF Editor/Reader failed to validate the directory traversal path in the attachment file name, resulting in malicious attachments being able to be written to directories outside the expected secure area when the PDF is opened.

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Meta Information

Published
2026-09-23
Last Modified
2026-09-23
Generated
2026-09-23
AI Q&A
2026-09-23
EPSS Evaluated
N/A
NVD
CVE-2026-91797
EUVD
EUVD-2026-85125

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
foxit pdf_editor_reader *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-73 The product allows user input to control or influence paths or file names that are used in filesystem operations.

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Executive Summary

Foxit PDF Editor/Reader has a flaw where it does not properly check the path of attachment files in PDFs. This allows malicious attachments to be saved outside the intended secure folder when the PDF is opened.

Impact Analysis

An attacker could use this flaw to write harmful files to sensitive system directories. This might lead to unauthorized code execution, data theft, or system compromise if the PDF is opened.

Compliance Impact

This vulnerability could potentially violate compliance with GDPR and HIPAA by allowing unauthorized access to sensitive data. Directory traversal could expose confidential documents to unauthorized users, leading to data breaches. This may result in non-compliance with data protection requirements.

Mitigation Strategies

Update Foxit PDF Editor/Reader to the latest version to patch the directory traversal vulnerability. Avoid opening PDF files from untrusted sources until the update is applied.

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