A flaw has been found in warmcat libwebsockets up to 4.5.8. This issue affects the function lws_ssh_parse_plaintext of the file plugins/protocol_lws_ssh_base/sshd.c of the component SSH Protocol Handler. Executing a manipulation of the argument msg_len can lead to resource consumption. The attack may be launched remotely. The exploit has been published and may be used. This patch is called 3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498. A patch should be applied to remediate this issue.

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-59fdef3e5f advisory.

    Update to 4.5.8

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 remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-9921e0e415 advisory.

    Update to 4.5.8

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

  - A flaw has been found in warmcat libwebsockets up to 4.5.8. This issue affects the function     lws_ssh_parse_plaintext of the file plugins/protocol_lws_ssh_base/sshd.c of the component SSH Protocol     Handler. Executing a manipulation of the argument msg_len can lead to resource consumption. The attack may     be launched remotely. The exploit has been published and may be used. This patch is called     3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498. A patch should be applied to remediate this issue.
    (CVE-2026-10650)

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

ID	Name	Product	Family	Severity
330083	Fedora 43 : libwebsockets (2026-59fdef3e5f)	Nessus	Fedora Local Security Checks	medium
330053	Fedora 44 : libwebsockets (2026-9921e0e415)	Nessus	Fedora Local Security Checks	medium
318419	Linux Distros Unpatched Vulnerability : CVE-2026-10650	Nessus	Misc.	high

Detections

Analytics

CVE-2026-10650

medium

Tenable Plugins

medium

medium

high