CVE-2026-4947: Insecure Direct Object Reference (IDOR) Leading to Signature Forgery in Foxit eSign
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-4947?
CVE-2026-4947 is considered a critical vulnerability due to its potential to allow unauthorized access and modifications to sensitive data.
How do I fix CVE-2026-4947?
To fix CVE-2026-4947, ensure that you apply the latest security updates provided by Foxit for the Foxit eSign software.
What kind of attack does CVE-2026-4947 enable?
CVE-2026-4947 enables an attacker to perform an insecure direct object reference attack leading to potential signature forgery.
Which software versions are affected by CVE-2026-4947?
CVE-2026-4947 affects all versions of Foxit eSign that are vulnerable to insecure direct object reference issues.
How can I identify if I am vulnerable to CVE-2026-4947?
You can identify if you are vulnerable to CVE-2026-4947 by reviewing your Foxit eSign software for the specific version or update related to this vulnerability.