CVE-2025-56221

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CVSS 3.1

9.8 critical

EPSS

<1%p45

Published

Oct 17, 2025 (Oct 17, 2025)

Modified

Jun 17, 2026

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.

Vendors: ascertia
Products: signinghub
Weakness: CWE-307
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.6%)

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