What is CVE-2026-65523?

CVE-2026-65523 is a high-severity vulnerability in Approveme Formidable Forms Signature Online Contract Automation, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-08-06.

How severe is CVE-2026-65523?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Approveme Formidable Forms Signature Online Contract Automation

CVE-2026-65523

Unauthenticated Insecure Direct Object References (IDOR) in Formidable Forms Signature Online Contract Automation <= 2.0.1 versions.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Approveme Formidable Forms Signature Online Contract Automation — versions n/a

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-65523?: CVE-2026-65523 is a high-severity vulnerability in Approveme Formidable Forms Signature Online Contract Automation, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-08-06.
How severe is CVE-2026-65523?: High severity. CVSS v3 base score is 7.5 out of 10.