CVE-2026-91797
Foxit PDF Editor/Reader Portfolio Directory Traversal Remote Code Execution Vulnerability
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-73 |
| Vendor | foxit software inc. |
| Product | foxit pdf editor |
| Published | Sep 23, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Foxit Software Inc. / Foxit PDF Editor
Versions 2026.2 and earlier Versions 14.0.7 and earlier Versions 13.2.6 and earlier
Foxit Software Inc. / Foxit PDF Reader
Versions 2026.2 and earlier
References
Credits
Landon Peng (lunbun) of Lunbun LLC working with TrendAI Zero Day Initiative