CVE-2025-56218: n/a
An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.
AI Analysis
Technical Summary
CVE-2025-56218 is an arbitrary file upload vulnerability in SigningHub version 8.6.8. It allows unauthenticated attackers to upload specially crafted PDF files that can lead to arbitrary code execution on the affected system. This vulnerability poses a critical risk as it can compromise system confidentiality, integrity, and availability. There is no indication of known exploits in the wild or an available patch at this time.
Potential Impact
Successful exploitation of this vulnerability can result in full system compromise, including unauthorized code execution, data breach, and service disruption. The CVSS score of 9.8 reflects the critical severity and the potential for complete control over the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict access to the affected SigningHub 8.6.8 instance, monitor for suspicious file uploads, and consider disabling file upload functionality if feasible.
CVE-2025-56218: n/a
Description
An arbitrary file upload vulnerability in SigningHub v8.6.8 allows attackers to execute arbitrary code via uploading a crafted PDF file.
CVSS v3.1
Score 9.8critical
Affected software
pkg:github/saykino/SigningHubRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-56218 is an arbitrary file upload vulnerability in SigningHub version 8.6.8. It allows unauthenticated attackers to upload specially crafted PDF files that can lead to arbitrary code execution on the affected system. This vulnerability poses a critical risk as it can compromise system confidentiality, integrity, and availability. There is no indication of known exploits in the wild or an available patch at this time.
Potential Impact
Successful exploitation of this vulnerability can result in full system compromise, including unauthorized code execution, data breach, and service disruption. The CVSS score of 9.8 reflects the critical severity and the potential for complete control over the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict access to the affected SigningHub 8.6.8 instance, monitor for suspicious file uploads, and consider disabling file upload functionality if feasible.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mitre
- Date Reserved
- 2025-08-16T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 68f28b909c34d0947f3b1465
Added to database: 10/17/2025, 18:31:44 UTC
Last enriched: 07/05/2026, 21:02:04 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 207
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