CVE-2026-91814
MEDIUMCVSS 5.3Description
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.
Timeline
Published:September 23rd, 2026 8:17 AM
Last modified:October 29th, 2026 5:15 PM
CVSS Scoring
CVSS v3: 5.3 (MEDIUM)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected Software
From NVD CPE configuration data
Vendors
foxit
Products
pdf_editorpdf_reader
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute