CVE-2026-91797 HIGH

CVE-2026-91797: Foxit PDF Editor/Reader Portfolio Directory Traversal Remote Code Execution Vulnerability

Vendor Foxit Software Inc.
Product Foxit PDF Editor
Weakness CWE-73
Published September 23, 2026
Last update September 23, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 23, 2026 CVE published

Related vulnerabilities

04Related CVE