medium5.3
CVE-2026-91814
A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents.
Impact
A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content spoofing while the document continues to appear validly signed.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Foxit | Pdf Editor | through 13.2.5.63482 from 14.0.0.33046 through 14.0.7.33751 from 2023.1.0.15510 through 2023.3.0.23028 from 2024.1.0.23997 through 2024.4.1.27687 from 2025.1.0.27937 through 2025.3.0.35737 from 2026.1.0.36452 through 2026.2.0.39747 |
| Foxit | Pdf Reader | through 2026.2.0.39747 through 2026.2.1.39815 |