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CVE-2026-91797

high

Foxit PDF Editor/Reader failed to validate the directory traversal path in the attachment file name, resulting in malicious attachments being able to be writte…

Vendor / product: Foxit — pdf editor

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.

CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (14984358-7092-470d-8f34-ade47a7658a2)
Timeline (UTC)
Published: 2026-09-23 08:17
Modified: 2026-10-08 13:49
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:55 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

foxit / pdf_editor ≤13.2.5.63482, ≥14.0.0.33046 ≤14.0.7.33751, ≥2023.1.0.15510 ≤2023.3.0.23028, ≥2024.1.0.23997 ≤2024.4.1.27687, ≥2025.1.0.27937 ≤2025.3.0.35737, ≥2026.1.0.36452 ≤2026.2.0.39747
foxit / pdf_reader ≤2026.2.0.39747

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://www.foxit.com/support/security-bulletins.html

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:55 UTC · record ↗

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