CVE-2025-56218

9.8 CRITICAL

Published: October 17, 2025 Modified: October 27, 2025

Description

An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

http://ascertia.com

Source: cve@mitre.org

Product

http://signinghub.com

Source: cve@mitre.org

Product

Source: cve@mitre.org

Third Party Advisory

3 reference(s) from NVD

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

0.1%

27th percentile

Exploitation Status

Not in CISA KEV

CWE-434

ascertia