CVE-2025-56221

CriticalCVSS 9.8/10Last 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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-307

Affected software

No affected versions have been published.

Timeline

Published
Oct 17, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-56221: Critical severity, CVSS 9.8 | Vulnix