ZDI-26-733: Foxit PDF Reader Portfolio Directory Traversal Remote Code Execution Vulnerability
ZDI disclosed a Foxit PDF Reader portfolio directory traversal that can lead to remote code execution.
The Zero Day Initiative published ZDI-26-733, a directory-traversal flaw in Foxit PDF Reader portfolio handling tracked as CVE-2026-91797. ZDI assigned CVSS 7.8 and says a remote attacker can execute arbitrary code if a user opens a malicious file or visits a malicious page. The advisory does not report in-the-wild exploitation.
- CVE-2026-91797 is a portfolio directory-traversal flaw in Foxit PDF Reader.
- ZDI rates it CVSS 7.8 with remote code execution impact.
- The user must open a malicious file or visit a malicious page.
- The advisory does not report active exploitation.
- CVEs
- CVE-2026-91797
- Vendors
- Foxit
- Products
- Foxit PDF Reader
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-91797 | Path Traversal in Foxit PDF Editor/Reader Vulnerability | 7.8 | — |
From the original article
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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