SigningHub vulnerabilities
4 known CVE vulnerabilities in SigningHub, translated and rated.
- CVE-2025-56218Critical
An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.
- CVE-2025-56224High
A lack of rate limiting in the One-Time Password (OTP) verification endpoint of SigningHub v8.6.8 allows attackers to bypass verification via a bruteforce attack.
- CVE-2025-56223High
Lack of rate limiting in the /Home/UploadStreamDocument component of SigningHub v8.6.8 allows attackers to cause a Denial of Service (DoS) by uploading an excessive number of files.
- CVE-2025-56219High
Incorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user accounts without rate limiting, leading to resource exhaustion and Denial of Service (DoS).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

