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FoxitCVE-2026-18622

Foxit PDF Editor/Reader inconsistently alerts users

Medium4.7CVE-2026-18622 · Published Aug 13, 2026 · updated Sep 10, 2026

Foxit PDF Editor/Reader inconsistently alerts users when signature fields are abnormally modified, including alterations to appearance, coordinates, or field duplication. This may mislead users into trusting tampered documents, since the UI cannot accurately reflect the actual integrity status of signatures.

Foxit advisory

Affected versions

PackageAffectedFixed in
Foxit PDF Editor
Product
<= Versions 2026.1.2 and earlierNo fix yet
<= Versions 14.0.5 and earlierNo fix yet
<= Versions 13.2.5 and earlierNo fix yet
Foxit PDF Reader
Product
<= Versions 2026.1.2 and earlierNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-451

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