CVE-2025-56224
HIGHCVSS 8.1/10EPSS 0.40%
Last modified
CVE-2025-56224 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ascertia | Signinghub | <= 8.6.8 |
References
- https://github.com/saykino/CVE-2025-56224Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-56224?
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.
How severe is CVE-2025-56224?
CVE-2025-56224 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2025-56224?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2025-56224?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST