Medium severity5.3NVD Advisory· Published Sep 23, 2026
CVE-2026-91814
CVE-2026-91814
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
1News mentions
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