CVE-2025-56221

9.8 CRITICAL

Published: October 17, 2025 Modified: October 27, 2025

Description

A lack of rate limiting in the login mechanism of SigningHub v8.6.8 allows attackers to bypass authentication via a brute force attack.

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0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

Third Party Advisory

1 reference(s) from NVD

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.1%

29th percentile

Exploitation Status

Not in CISA KEV

CWE-307

ascertia