Ascertia: community verdicts

4 notable / known-exploited Ascertia CVEs the community has triaged.

ⓘ Not an exhaustive list: we focus on the findings that matter (exploited / notable). For every Ascertia CVE, see NVD ↗.

CVE-2025-56218CRIT 9.8Real · low riskEPSS 1%
An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.
CVE-2025-56223HIGH 7.5Real · low riskEPSS 0%
A lack of rate limiting in the component /Home/UploadStreamDocument of SigningHub v8.6.8 allows attackers to cause a Denial of Service (DoS) via uploading an excessive number of files.
CVE-2025-56224HIGH 8.1Real · low riskEPSS 0%
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-2025-56219HIGH 7.1Real · low riskEPSS 0%
Incorrect access control in SigningHub v8.6.8 allows attackers to arbitrarily add user accounts without any rate limiting. This can lead to a resource exhaustion and a Denial of Service (DoS) when an excessively large number of user accounts are created.