ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-31e6b85f4e advisory.

    See https://github.com/jupytext/jupytext/releases/tag/v1.19.4 for changes in version 1.19.4.  Notable,     this update fixes CVE-2026-45736 and CVE-2026-48779.



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 multiple vulnerabilities as referenced in the FEDORA-2026-db770b7d7a advisory.

    See https://github.com/jupytext/jupytext/releases/tag/v1.19.4 for changes in version 1.19.4.  Notable,     this update fixes CVE-2026-45736 and CVE-2026-48779.



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.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close()
    implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason
    argument. This vulnerability is fixed in 8.20.1. (CVE-2026-45736)

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

  - ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close()     implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason     argument. This vulnerability is fixed in 8.20.1. (CVE-2026-45736)

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

ID	Name	Product	Family	Severity
324001	Fedora 43 : python-jupytext (2026-31e6b85f4e)	Nessus	Fedora Local Security Checks	high
323999	Fedora 44 : python-jupytext (2026-db770b7d7a)	Nessus	Fedora Local Security Checks	high
442027	SCA: security update for ws (GHSA-58qx-3vcg-4xpx)	Tenable Cloud Security	SCA Checks	high
442027	SCA: security update for ws (GHSA-58qx-3vcg-4xpx)	Tenable Self-Hosted Container Security	SCA Checks	high
315010	Linux Distros Unpatched Vulnerability : CVE-2026-45736	Nessus	Misc.	high

Detections

Analytics

CVE-2026-45736

high

Tenable Plugins

high

high

high

high

high