CVE-2026-91788
Medium
Description
When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access sensitive content from other documents within the same process and transmit it externally.
SeverityMedium
CVSS4.7
Exploit probability—
ProductFoxit Pdf Editor
PublishedSep 23, 2026
First seenSep 23, 2026
Weakness typeCWE-668CWE-668
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| foxit pdf_editor | v ≤ 13.2.6.24111, 14.0.0.33046 ≤ v ≤ 14.0.7.33751, 2023.1.0.15510 ≤ v ≤ 2023.3.0.23028, 2024.1.0.23997 ≤ v ≤ 2024.4.1.27687, 2025.1.0.27937 ≤ v ≤ 2025.3.0.35737, 2026.1.0.36452 ≤ v ≤ 2026.2.0.39747, v ≤ 13.2.6.63484, 14.0.0.68868 ≤ v ≤ 14.0.7.69441, 2023.1.0.55583 ≤ v ≤ 2023.3.0.63083, 2024.1.0.63682 ≤ v ≤ 2024.4.1.66479, 2025.1.0.66692 ≤ v ≤ 2025.3.0.69570, 2026.1.0.70169 ≤ v ≤ 2026.2.0.72029 | — |
| foxit pdf_reader | v ≤ 2026.2.0.39747, v ≤ 2026.2.0.72029 | — |
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