Tenable security advisory (AV26-387)

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        <div><p><strong>Serial number: </strong>AV26-387<br /><strong>Date:</strong> April 23, 2026</p>

On April 23, 2026, Tenable published a security advisory to address a vulnerability in the following products:

• Nessus Agent – versions prior to 11.1.3
• Nessus – versions prior to 10.11.4 and versions prior to 10.12.0

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

• [R1] Nessus Agent Version 11.1.3 Fixes Arbitrary File Deletion
• [R1] Nessus Versions 10.11.4 and 10.12.0 Fixes Arbitrary File Deletion
• Tenable Product Security Advisories

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Article Link: Tenable security advisory (AV26-387) - Canadian Centre for Cyber Security