CVE-2025-56219
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...
- Published
- Oct 20, 2025
- Updated
- Jul 5, 2026
- Assigning CNA
- mitre
- Evidence observed
- Aug 25, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:HLow · next 30 days
- Percentile
- 25.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- CVE-2025-56219Informational
Detailed advisory for CVE-2025-56219, a rate-limiting flaw in Ascertia SigningHub's Add User API, enabling automated user creation and denial of service. Includes CVSS score, affected versions, and mitigation guidance.
Responsible use
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