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...
- 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:H/PR:N/UI:N/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 32.8%
- 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
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.
Sources
1- CVE-2025-56224Informational
Documents an OTP verification bypass vulnerability in Ascertia SigningHub, allowing attackers to brute-force OTP codes and impersonate mobile numbers. Includes CVSS score, affected versions, and mitigation advice.
Responsible use
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