{"id":"CVE-2026-10650","state":"PUBLISHED","title":"warmcat libwebsockets SSH Protocol sshd.c lws_ssh_parse_plaintext resource consumption","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.","publishedAt":"2026-06-02T21:15:10.566Z","updatedAt":"2026-06-03T14:04:31.919Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["warmcat libwebsockets"],"affected":[{"vendor":"warmcat","product":"libwebsockets","versions":[{"version":"4.5.0","status":"affected"},{"version":"4.5.1","status":"affected"},{"version":"4.5.2","status":"affected"},{"version":"4.5.3","status":"affected"},{"version":"4.5.4","status":"affected"},{"version":"4.5.5","status":"affected"},{"version":"4.5.6","status":"affected"},{"version":"4.5.7","status":"affected"},{"version":"4.5.8","status":"affected"}],"cpes":["cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"],"modules":["SSH Protocol Handler"]}],"references":["https://vuldb.com/vuln/367955","https://vuldb.com/vuln/367955/cti","https://vuldb.com/cve/CVE-2026-10650","https://vuldb.com/submit/830261","https://github.com/biniamf/pocs/tree/main/libwebsockets_sshd-parse-ic-unbounded-alloc","https://github.com/biniamf/pocs/blob/main/libwebsockets_sshd-parse-ic-unbounded-alloc/poc_sshd_unbounded_alloc.py","https://github.com/warmcat/libwebsockets/commit/3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498","https://github.com/warmcat/libwebsockets/"],"weaknesses":["CWE-400","CWE-404"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/10xxx/CVE-2026-10650.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-10650","state":"PUBLISHED","datePublished":"2026-06-02T21:15:10.566Z","dateUpdated":"2026-06-03T14:04:31.919Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-06-02T15:19:20.070Z"},"containers":{"cna":{"title":"warmcat libwebsockets SSH Protocol sshd.c lws_ssh_parse_plaintext resource consumption","descriptions":[{"lang":"en","value":"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. 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