CVE-2025-56221

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductAscertia Signinghub
PublishedOct 17, 2025
First seenOct 17, 2025
Weakness typeCWE-307CWE-307

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
ascertia signinghubv ≤ 8.6.8—

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