CVE-2026-91797
HIGHCVSS 7.8/10EPSS 0.21%
Last modified
CVE-2026-91797 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Foxit | Pdf Editor | <= 13.2.5.63482 |
| Foxit | Pdf Editor | >= 14.0.0.33046, <= 14.0.7.33751 |
| Foxit | Pdf Editor | >= 2023.1.0.15510, <= 2023.3.0.23028 |
| Foxit | Pdf Editor | >= 2024.1.0.23997, <= 2024.4.1.27687 |
| Foxit | Pdf Editor | >= 2025.1.0.27937, <= 2025.3.0.35737 |
| Foxit | Pdf Editor | >= 2026.1.0.36452, <= 2026.2.0.39747 |
| Foxit | Pdf Reader | <= 2026.2.0.39747 |
References
- https://www.foxit.com/support/security-bulletins.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-91797?
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.
How severe is CVE-2026-91797?
CVE-2026-91797 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-91797?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-91797?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST