CVE-2025-56219 Missing authorization in n/a

High 7.1 Published 20 Oct 2025 Updated 5 Jul 2026

Attackers can create unlimited user accounts due to missing access controls, causing resource exhaustion and denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-56219?

CVE-2025-56219 is a high-severity missing authorization vulnerability in n/a, published on 20 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-284

Which versions are affected by CVE-2025-56219?

It affects 1 product.

Products include Ascertia Signinghub.

How do I fix CVE-2025-56219?

No fix has been published for CVE-2025-56219 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-56219 being exploited?

There is no known exploitation of CVE-2025-56219 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-xjjc-g7ww-xfq5.