CVE-2025-56218

Published Oct 17, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ascertia:signinghub:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Ascertia
Ascertia signinghub
Vendors & Products Ascertia
Ascertia signinghub
Type Values Removed Values Added
Weaknesses CWE-434
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 5, 2026, 4:09 PM
Reserved
Aug 16, 2025, 12:00 AM
Status
Modified
Published
Oct 17, 2025, 7:15 PM
Modified
Nov 5, 2026, 10:10 PM