Executive Summary

CVE-2026-7490 is an arbitrary file upload vulnerability found in CTMS and CPAS software developed by Sunnet (旭聯科技).

This flaw allows a remote attacker who already has administrative (privileged) access to upload malicious web shell scripts to the server.

Once uploaded, these web shells can be executed, enabling the attacker to run arbitrary code on the affected server.

Useful 0 Not Useful 0

Impact Analysis

If exploited, this vulnerability allows an attacker with high privileges to execute arbitrary code on your server.

This can lead to unauthorized control over the system, potential data breaches, service disruption, or further compromise of the network.

Because the attacker can upload and run web shells, they may maintain persistent access and perform malicious activities undetected.

Useful 0 Not Useful 0

Mitigation Strategies

Users are advised to apply patches provided by the vendor or contact the vendor for updates to mitigate the risk.

Since the vendor has not yet released a patch, contacting the vendor directly for a solution is recommended.

Useful 0 Not Useful 0

Compliance Impact

The vulnerability allows privileged remote attackers to upload and execute web shell backdoors, leading to arbitrary code execution on the server. This could potentially result in unauthorized access to sensitive data or disruption of system integrity.

Such unauthorized access and potential data breaches could negatively impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive information and mandate controls against unauthorized system access.

However, the provided information does not explicitly mention the impact on compliance with these standards or any regulatory considerations.

Useful 0 Not Useful 0