CVE-2026-91814

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-09-23 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Required
S: Unchanged
C: None
I: High
A: None

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
foxit pdf_editor < 13.2.5.63482
foxit pdf_reader < 2026.2.0.39747

References & Advisories (1)

Bug Bounty Relevance

36 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.17%
Raw Score 0.001720
Percentile 6.6%
Date 2026-10-29

Intelligence Sources

nvd ref →