RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13, This vulnerability is fixed in 4.1.2 and 4.0.13.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-548235ea3b advisory.

    More CVEs

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    Fixed CVE-2026-44839

Tenable has extracted the preceding description block directly from the Fedora 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 remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-6326bdeab0 advisory.

    Fix users creation

    ----

    RabbitMQ ver. 4.2.9


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

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

The version of RabbitMQ installed on the remote host is affected by a cross-site scripting vulnerability:

  - Unsanitized virtual host names allow for XSS in the management UI pages that list virtual hosts if the attacker     manages to find a way to force a virtual host to restart. (CVE-2026-44839)

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.

  - RabbitMQ is a messaging and streaming broker. From 3.7.0 to before 4.1.2 and 4.0.13, This vulnerability is     fixed in 4.1.2 and 4.0.13. (CVE-2026-44839)

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

ID	Name	Product	Family	Type	Severity
333505	Fedora 43 : rabbitmq-server (2026-548235ea3b)	Nessus	Fedora Local Security Checks	Local	high
331522	Fedora 44 : rabbitmq-server (2026-6326bdeab0)	Nessus	Fedora Local Security Checks	Local	medium
327583	RabbitMQ 3.7.x < 4.0.13 / 4.1.x < 4.1.2 XSS via Virtual Host Names	Nessus	Misc.	Local	medium
317957	Linux Distros Unpatched Vulnerability : CVE-2026-44839	Nessus	Misc.	Local	medium

Detections

Analytics

CVE-2026-44839

medium

Tenable Plugins

high

medium

medium

medium