CVE-2026-91797

HIGHCVSS 7.8/10EPSS 0.35%

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 0.35% 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

EPSS Probability
0.35%

28.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Foxit Software Inc.Foxit PDF EditorVersions 2026.2 and earlier; Versions 14.0.7 and earlier; Versions 13.2.6 and earlier
Foxit Software Inc.Foxit PDF ReaderVersions 2026.2 and earlier

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

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 0.35% 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.

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Source: NVD / NIST