CVE-2026-91797CWE-73

CVE-2026-91797

High · published September 23, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
11.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00215 · 11.3th percentile
Weakness
CWE-73 · External Control of File Name or Path
Published
2026-09-23T12:17Z
Affected products (7)
ProductVersionsFixed in
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 (1)
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 23 SEP 07:50Z
    Foxit PDF Editor/Reader Portfolio Directory Traversal Remote Code Execution Vulnerability
    cvelistv5