CVE-2026-13380 VSee CVE debrief

Who should care

Organizations using VSee Clinic 7.1.26 and VSee Clinic API 1.3.0, especially those with SFTP connections configured, should be aware of this critical vulnerability and take immediate action to secure their systems. This includes verifying if the affected products are in use, securing SFTP connections, and implementing compensating controls such as monitoring for suspicious SFTP activity. Security teams and vulnerability management teams should prioritize this vulnerability due to its critical severity and potential impact on system security and data integrity. IT operators and administrators responsible for managing these systems should also be aware of the vulnerability and take necessary actions to mitigate the risk. Additionally, organizations should review their current security policies and procedures to ensure they are prepared to respond to this type of vulnerability in the future. This may involve updating incident response plans, conducting additional security audits, and providing training to personnel on the risks associated with this vulnerability. By taking proactive steps, organizations can minimize the risk of exploitation and protect their systems and data from potential attacks. It is also recommended that organizations monitor for any updates or patches released by the vendor and implement them as soon as possible to prevent exploitation of the vulnerability. Furthermore, organizations should consider conducting a thorough risk assessment to identify any potential vulnerabilities in their systems and implement measures to mitigate them. This may involve implementing additional security controls, such as firewalls, intrusion detection systems, and access controls, to prevent unauthorized access to sensitive data and systems. By taking a proactive and comprehensive approach to security, organizations can reduce the risk of exploitation and protect their systems and data from potential attacks. The vulnerability is considered critical due to its potential impact on system security and data integrity, and organizations should prioritize it accordingly. The CVE record provides additional information on the vulnerability, including its CVSS score and

Technical summary

The vulnerability in VSee Clinic 7.1.26 and VSee Clinic API 1.3.0 exposes cleartext SFTP credentials in HTTP responses of unauthenticated endpoints when SFTP connections are configured. This allows an unauthenticated remote attacker to obtain these credentials and access the associated SFTP server. The credentials are present in responses only when SFTP connections have been configured within the application. No authentication is required to retrieve these credentials.

Defensive priority

Organizations using VSee Clinic 7.1.26 and VSee Clinic API 1.3.0 should prioritize immediate action to secure SFTP connections.

Recommended defensive actions

• Inventory and verify if VSee Clinic 7.1.26 and VSee Clinic API 1.3.0 are in use.
• Immediately secure SFTP connections by removing or updating cleartext credentials.
• Implement compensating controls such as monitoring for suspicious SFTP activity.
• Apply vendor remediation if available.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

The CVE description indicates that VSee Clinic 7.1.26 and VSee Clinic API 1.3.0 expose cleartext SFTP credentials in HTTP responses of unauthenticated endpoints when SFTP connections are configured. No authentication is required to retrieve these credentials.

Official resources