CVE-2025-56219: signinghub Access Control Flaw (CVSS 7.1)

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.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
ascertia	signinghub	< 8.6.8

References

Other References

http://ascertia.com http://signinghub.com https://github.com/saykino/CVE-2025-56219

Frequently Asked Questions

What is 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 exhaustion and a Denial of Service (DoS) when an excessively large number of user accounts are created. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-56219? +

CVE-2025-56219 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-56219? +

CVE-2025-56219 affects products from ascertia, specifically: signinghub. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-56219? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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