CVE-2026-91797

HIGH CVSS 3.1: 7.8 EPSS 0.35%
Updated Sep 23, 2026
Foxit Software Inc.
Parameter Value
CVSS 7.8 (HIGH)
Type CWE-73 (External Control of File Name or Path)
Vendor Foxit Software Inc.
Public PoC No

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.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products

foxit software inc.:foxit pdf reader foxit software inc.:foxit pdf editor