CVE-2025-56218 | An arbitrary file upload vulnerability in SigningHub v8.6.8 … | CVSS 9.8 CRITICAL

Description

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

CVE ID: CVE-2025-56218
State: PUBLISHED
Assigner: mitre
Reserved: 2025-08-16 00:00 UTC
Published: 2025-10-17 00:00 UTC
Last updated: 2026-07-05 16:09 UTC
Primary CWE: CWE-434
CWE-434 Unrestricted Upload of File with Dangerous Type
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-434	adp	CWE-434 Unrestricted Upload of File with Dangerous Type

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)