Cacti is an open source performance and fault management framework. Versions 1.2.30 and below contain a Reflected XSS vulnerability in the html_auth_footer. This issue has been fixed in version 1.2.31.

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 9647af6d-7a05-11f1-99fc-40b034429ecf advisory.

    Cacti project reports:
    This release includes fixes for a number of vulnerabilities that were responsibly disclosed by external     researchers

Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Cacti is an open source performance and fault management framework. Versions 1.2.30 and below contain a     Reflected XSS vulnerability in the html_auth_footer. This issue has been fixed in version 1.2.31.
    (CVE-2026-39897)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
325775	FreeBSD : cacti -- multiple vulnerabilities (9647af6d-7a05-11f1-99fc-40b034429ecf)	Nessus	FreeBSD Local Security Checks	Local	critical
323825	Linux Distros Unpatched Vulnerability : CVE-2026-39897	Nessus	Misc.	Local	medium

Detections

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CVE-2026-39897

medium

Tenable Plugins

critical

medium