PT-2025-42632 · Unknown · Signinghub

Published 2025-10-17 · Updated 2025-10-22 · CVE-2025-56218

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/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 An arbitrary file upload issue exists in SigningHub version 8.6.8 that could allow attackers to execute arbitrary code by uploading a specially crafted PDF file. The issue involves uploading a malicious file, which can lead to code execution.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2025-56218

Affected Products

Signinghub

References · 9

• 🔥 https://github.com/saykino/CVE-2025-56218 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-56218 · Security Note
• https://osv.dev/vulnerability/CVE-2025-56218 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1979307483504988401 · Twitter Post
• https://t.me/CVEtracker/35210 · Telegram Post
• https://twitter.com/CVEnew/status/1979289041741791725 · Twitter Post
• http://ascertia.com · Note
• http://signinghub.com · Note
• https://twitter.com/cracbot/status/1980952336098025572 · Twitter Post