CVE-2025-56221

CRITICAL

SigningHub < 8.6.8 - Authentication Bypass via Brute Force Attack

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0057
EPSS Percentile 42.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-307
Status published
Products (1)
ascertia/signinghub < 8.6.8
Published Oct 17, 2025
Tracked Since Feb 18, 2026