Tenable Nessus 2025 Release Notes

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Plugin Releases

For information about recent changes to Tenable Nessus plugins, see the Plugin Release Notes.

Tenable Nessus 10.8.4 (2025-04-17)

The following are security updates included in Tenable Nessus 10.8.4:

  • Addressed an issue where Tenable Nessus failed to set ACLs for the optional custom installation directory chosen during the Windows installation process.

  • Addressed an issue where Tenable Nessus could appropriately log ANSI escape characters.

  • Updated libxml2 to version 2.13.7.

  • Updated expat to version 2.7.0.

    For more information, see the Tenable Product Security Advisory.

Bug Fix Applies to
Addressed an issue in the Windows MSI installer that allowed a user to permanently disable Tenable Nessus if the installation was canceled in a custom (non-default) directory with overly-broad permissions. All versions of Tenable Nessus on Windows

  • Tenable Vulnerability Management FedRAMP environments support Tenable Nessus scanners versions 10.4.0 and later.

  • If you are connecting to Tenable Vulnerability Management through Tenable Nessus scanners, Tenable Agents, Tenable Web App Scanning scanners, or Tenable Network Monitors (NNM) located in mainland China, you must connect through sensor.cloud.tenablecloud.cn instead of sensor.cloud.tenable.com.

  • You can upgrade to the latest version of Tenable Nessus from any previously supported version.
  • If your upgrade path skips versions of Tenable Nessus, Tenable recommends reviewing the release notes for all skipped versions to learn about new features and bug fixes.
  • If you want your scanners to update to the newest version before the GA date automatically, set your Tenable Nessus Update Plan to Opt in to Early Access releases.
  • If you want to update your scanners to the latest version before the GA date manually, disable automatic updates so the scanner does not automatically downgrade to the previous version.