CVE-2026-4947 HIGH

CVE-2026-4947: Insecure Direct Object Reference (IDOR) Leading to Signature Forgery in Foxit eSign

Vendor Foxit Software Inc.
Product na1.foxitesign.foxit.com
Weakness CWE-284
Published April 1, 2026
Last update April 2, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

What the vulnerability does

01Description

Addressed a potential insecure direct object reference (IDOR) vulnerability in the signing invitation acceptance process. Under certain conditions, this issue could have allowed an attacker to access or modify unauthorized resources by manipulating user-supplied object identifiers, potentially leading to forged signatures and compromising the integrity and authenticity of documents undergoing the signing process. The issue was caused by insufficient authorization validation on referenced resources during request processing.

Key dates

02Disclosure timeline

April 1, 2026 CVE published
April 2, 2026 Record updated