PT-2025-42226 · Unknown · Signinghub

Published 2025-10-14 · Updated 2025-10-27 · CVE-2025-56224

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions SigningHub version 8.6.8

Description A missing rate limit in the One-Time Password (OTP) verification endpoint allows attackers to bypass verification through a bruteforce attack. An attacker can impersonate another user’s mobile number and verify it without knowing the OTP code.

Recommendations Apply a rate limit to the OTP verification endpoint to prevent bruteforce attacks.

Exploit

Fix

Improper Restriction of Excessive Authentication Attempts

Weakness Enumeration

CWE-307

CWE-305

Related Identifiers

CVE-2025-56224

Affected Products

Signinghub

References · 12

• 🔥 https://github.com/saykino/CVE-2025-56224 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-56224 · Security Note
• https://osv.dev/vulnerability/CVE-2025-56224 · Vendor Advisory
• https://t.me/cveNotify/139436 · Telegram Post
• https://twitter.com/cracbot/status/1981677099560939920 · Twitter Post
• https://t.me/cveNotify/140454 · Telegram Post
• http://ascertia.com · Note
• https://twitter.com/VulmonFeeds/status/1978202556112175188 · Twitter Post
• https://twitter.com/CVEnew/status/1980259909888352432 · Twitter Post
• https://twitter.com/cracbot/status/1982039481256710462 · Twitter Post
• http://signinghub.com · Note
• https://t.me/cveNotify/139375 · Telegram Post