CVE-2026-91801
Received Received - Intake

Path Traversal in Foxit PDF Editor/Reader

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: Foxit

Description
A path traversal vulnerability exists in Foxit PDF Editor/Reader's handling of embedded PDF resources. Insufficient validation of resource file paths may allow files to be written outside their intended locations, potentially enabling arbitrary code execution.

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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-2026-91801
EUVD
EUVD-2026-85121

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
foxit pdf_editor *
foxit pdf_reader *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability is a path traversal issue in Foxit PDF Editor/Reader where improper validation of embedded PDF resource paths allows files to be written outside intended locations. This could lead to arbitrary code execution if exploited.

Impact Analysis

An attacker could exploit this to write malicious files to arbitrary locations on your system, potentially leading to code execution with the same privileges as the user running the application. This could allow unauthorized access or control of your system.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's integrity and confidentiality requirements or HIPAA's security rules for protected health information. Compliance may be compromised if exploited.

Mitigation Strategies

Update Foxit PDF Editor/Reader to the latest version to ensure the path traversal vulnerability is patched. Disable embedded PDF resource handling if not required. Monitor for suspicious file writes outside intended directories.

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