CVE-2026-47357

Tenable · Terrascan

A security vulnerability has been identified in Terrascan version 1. The specific technical details regarding the exploit vector are currently limited.

Executive summary

An unidentified vulnerability in Terrascan v1 poses a risk to security infrastructure, necessitating immediate review of vendor security bulletins.

Vulnerability

This vulnerability involves Terrascan v1. The lack of detailed technical documentation prevents a definitive assessment of the authentication requirements or the specific vulnerability type.

Business impact

A CVSS score of 7.5 indicates a High severity risk. As Terrascan is used for Infrastructure-as-Code (IaC) scanning, a compromise of this tool could lead to the misconfiguration of cloud environments or the exposure of sensitive security policies, undermining the organization's overall compliance posture.

Remediation

Immediate Action: Monitor official Tenable security channels for specific patch releases and update all instances of Terrascan to the remediated version immediately upon availability.

Proactive Monitoring: Conduct audits of recent IaC scan results for anomalies and verify that no unauthorized changes have been made to security configurations during the period of exposure.

Compensating Controls: Implement strict access control for the environments where Terrascan is deployed and ensure scan results are stored in secure, restricted locations.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Organizations utilizing Terrascan for automated security policy enforcement should treat this vulnerability as a priority. Verify the current version status and prepare for an immediate update cycle once the vendor releases technical documentation and patches.