What is CVE-2026-10650?

CVE-2026-10650 is a medium-severity vulnerability in Warmcat Libwebsockets, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-06-02.

How severe is CVE-2026-10650?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Warmcat Libwebsockets

CVE-2026-10650

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 arg…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Warmcat Libwebsockets — versions 4.5.0, 4.5.1, 4.5.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)
cna@vuldb.com (exploit)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-10650?: CVE-2026-10650 is a medium-severity vulnerability in Warmcat Libwebsockets, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-06-02.
How severe is CVE-2026-10650?: Medium severity. CVSS v3 base score is 5.3 out of 10.