CVE-2025-56218 — CRITICAL (9.8)

Q: What is CVE-2025-56218?

CVE-2025-56218 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Q: How severe is CVE-2025-56218?

CVE-2025-56218 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2025-56218?

Check the references section above for vendor advisories and patch information. Affected products include: Ascertia Signinghub.

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ascertia	Signinghub	<= 8.6.8

Related Weaknesses (CWE)

CWE-434

References

http://ascertia.comProduct
http://signinghub.comProduct
https://github.com/saykino/CVE-2025-56218Third Party Advisory

FAQ

What is CVE-2025-56218?

CVE-2025-56218 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.

How severe is CVE-2025-56218?

CVE-2025-56218 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-56218?

Check the references section above for vendor advisories and patch information. Affected products include: Ascertia Signinghub.