CVE-2026-10650
MEDIUM EPSS 34.3%
Published Jun 2, 20264w ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Published Jun 2, 2026 4w ago
Last Modified Jun 17, 2026 1w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
34.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 2
CWE-400 Uncontrolled Resource Consumption Resource Mgmt
CWE-404
References 8
- github.com https://github.com/biniamf/pocs/blob/main/libwebsockets_sshd-parse-ic-unbounded-alloc/poc_sshd_unbounded_alloc.py
- github.com https://github.com/biniamf/pocs/tree/main/libwebsockets_sshd-parse-ic-unbounded-alloc
- github.com https://github.com/warmcat/libwebsockets/
- github.com https://github.com/warmcat/libwebsockets/commit/3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498
- vuldb.com https://vuldb.com/cve/CVE-2026-10650
- vuldb.com https://vuldb.com/submit/830261
- vuldb.com https://vuldb.com/vuln/367955
- vuldb.com https://vuldb.com/vuln/367955/cti
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.