CVE-2025-56219

Name: CVE-2025-56219
Creator: NVD / NIST
Published: 2025-10-20T13:15:44.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2025-56219 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

EPSS Probability

0.37%

29.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Ascertia	Signinghub	<= 8.6.8

References

http://ascertia.comProduct
http://signinghub.comProduct
https://github.com/saykino/CVE-2025-56219Third Party Advisory

Timeline

Published: Oct 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-56219?

How severe is CVE-2025-56219?

CVE-2025-56219 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2025-56219?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-56219?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST