{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-10650",
        "tracking": {
            "current_release_date": "2026-09-07T03:20:38.976074Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-10650",
            "initial_release_date": "2026-06-02T15:34:44.609549Z",
            "revision_history": [
                {
                    "date": "2026-06-02T15:34:44.609549Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-06-02T22:25:18.203117Z",
                    "number": "2",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (8).| CWES updated (1)."
                },
                {
                    "date": "2026-06-02T22:25:20.148281Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-02T22:51:51.023558Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (9).| Product Identifiers created (9).| Exploits created (2).| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-06-02T22:51:53.897461Z",
                    "number": "5",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-03T16:20:22.999668Z",
                    "number": "6",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-06-03T16:20:31.028517Z",
                    "number": "7",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-03T16:53:36.593641Z",
                    "number": "8",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-06-03T18:43:36.326924Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (2)."
                },
                {
                    "date": "2026-06-03T18:43:44.179090Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-12T15:51:12.665879Z",
                    "number": "11",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (33).| Product Identifiers created (26).| References created (2)."
                },
                {
                    "date": "2026-06-12T15:51:18.779778Z",
                    "number": "12",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-06-15T18:00:13.111289Z",
                    "number": "13",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-06-15T18:00:16.954430Z",
                    "number": "14",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-10T15:41:45.954944Z",
                    "number": "15",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-07-10T15:41:48.999296Z",
                    "number": "16",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-07-11T21:24:16.903770Z",
                    "number": "17",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (9).| Products created (1).| References created (10).| CWES updated (1)."
                },
                {
                    "date": "2026-07-11T21:24:27.713857Z",
                    "number": "18",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-04T17:49:12.488159Z",
                    "number": "19",
                    "summary": "Products created (6)."
                },
                {
                    "date": "2026-08-04T17:49:15.436422Z",
                    "number": "20",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-07T21:28:15.770823Z",
                    "number": "21",
                    "summary": "Products removed (6)."
                },
                {
                    "date": "2026-08-07T21:28:21.264908Z",
                    "number": "22",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-08-11T15:11:53.204094Z",
                    "number": "23",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-08-11T15:13:09.131499Z",
                    "number": "24",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-01T23:50:46.062825Z",
                    "number": "25",
                    "summary": "Description removed for source.| Products removed (1)."
                },
                {
                    "date": "2026-09-01T23:50:47.712751Z",
                    "number": "26",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-02T06:07:27.342076Z",
                    "number": "27",
                    "summary": "Description created for source."
                },
                {
                    "date": "2026-09-02T10:45:46.265098Z",
                    "number": "28",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-02T23:35:01.020436Z",
                    "number": "29",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-03T14:38:16.476723Z",
                    "number": "30",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-03T19:01:41.771982Z",
                    "number": "31",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-04T15:47:42.227127Z",
                    "number": "32",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-05T03:59:22.490101Z",
                    "number": "33",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-09-05T15:45:34.743144Z",
                    "number": "34",
                    "summary": "EPSS updated."
                },
                {
                    "date": "2026-09-06T15:47:15.658471Z",
                    "number": "35",
                    "summary": "EPSS updated."
                }
            ],
            "status": "interim",
            "version": "35"
        }
    },
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                                            "product_id": "CSAFPID-8369416",
                                            "product_identification_helper": {
                                                "purl": "pkg:deb/ubuntu/libwebsockets@4.3.3-1.1ubuntu0.1~esm1?arch=source&distro=esm-apps/noble"
                                            }
                                        }
                                    },
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:unknown/>=0",
                                        "product": {
                                            "name": "vers:unknown/>=0",
                                            "product_id": "CSAFPID-8369417"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "libwebsockets"
                            }
                        ],
                        "category": "product_family",
                        "name": "Ubuntu:Pro:24.04:LTS"
                    }
                ],
                "category": "vendor",
                "name": "Ubuntu"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.0",
                                "product": {
                                    "name": "vers:unknown/4.5.0",
                                    "product_id": "CSAFPID-7988015",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.1",
                                "product": {
                                    "name": "vers:unknown/4.5.1",
                                    "product_id": "CSAFPID-7988016",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.2",
                                "product": {
                                    "name": "vers:unknown/4.5.2",
                                    "product_id": "CSAFPID-7988017",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.3",
                                "product": {
                                    "name": "vers:unknown/4.5.3",
                                    "product_id": "CSAFPID-7988018",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.4",
                                "product": {
                                    "name": "vers:unknown/4.5.4",
                                    "product_id": "CSAFPID-7988019",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.5",
                                "product": {
                                    "name": "vers:unknown/4.5.5",
                                    "product_id": "CSAFPID-7988020",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.6",
                                "product": {
                                    "name": "vers:unknown/4.5.6",
                                    "product_id": "CSAFPID-7988021",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.7",
                                "product": {
                                    "name": "vers:unknown/4.5.7",
                                    "product_id": "CSAFPID-7988022",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/4.5.8",
                                "product": {
                                    "name": "vers:unknown/4.5.8",
                                    "product_id": "CSAFPID-7988023",
                                    "product_identification_helper": {
                                        "cpe": "cpe:2.3:a:warmcat:libwebsockets:*:*:*:*:*:*:*:*"
                                    }
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/v4.5.0",
                                "product": {
                                    "name": "vers:unknown/v4.5.0",
                                    "product_id": "CSAFPID-8654749"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "libwebsockets"
                    }
                ],
                "category": "vendor",
                "name": "warmcat"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-10650",
            "cwe": {
                "id": "CWE-404",
                "name": "Improper Resource Shutdown or Release"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "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.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10650"
                },
                {
                    "category": "description",
                    "text": "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.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10650.json"
                },
                {
                    "category": "description",
                    "text": "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.",
                    "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Ubuntu%2FUBUNTU-CVE-2026-10650.json?alt=media"
                },
                {
                    "category": "description",
                    "text": "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.",
                    "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-10650.json?alt=media"
                },
                {
                    "category": "description",
                    "text": "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.",
                    "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-10650"
                },
                {
                    "category": "other",
                    "text": "0.00429",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "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",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "5.5",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "3.3",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "Is related to CWE-400 (Uncontrolled Resource Consumption)",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "Is related to (a version of) an uncommon product, Exploit code publicly available, There is exploit data available from source Cveprojectv5, The value of the most recent CVSS (V3) score, There is cwe data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-7988015",
                    "CSAFPID-7988016",
                    "CSAFPID-7988017",
                    "CSAFPID-7988018",
                    "CSAFPID-7988019",
                    "CSAFPID-7988020",
                    "CSAFPID-7988021",
                    "CSAFPID-7988022",
                    "CSAFPID-7988023",
                    "CSAFPID-5120065",
                    "CSAFPID-8369391",
                    "CSAFPID-8369392",
                    "CSAFPID-8369393",
                    "CSAFPID-8369394",
                    "CSAFPID-8369395",
                    "CSAFPID-8369396",
                    "CSAFPID-8369397",
                    "CSAFPID-8369398",
                    "CSAFPID-8369399",
                    "CSAFPID-8369400",
                    "CSAFPID-8369401",
                    "CSAFPID-8369402",
                    "CSAFPID-8369403",
                    "CSAFPID-8369404",
                    "CSAFPID-8369405",
                    "CSAFPID-8369406",
                    "CSAFPID-8369407",
                    "CSAFPID-8369408",
                    "CSAFPID-8369409",
                    "CSAFPID-8369410",
                    "CSAFPID-8369411",
                    "CSAFPID-8369412",
                    "CSAFPID-8369413",
                    "CSAFPID-8369414",
                    "CSAFPID-8369415",
                    "CSAFPID-8369416",
                    "CSAFPID-8369417",
                    "CSAFPID-8369418",
                    "CSAFPID-8369419",
                    "CSAFPID-8369420",
                    "CSAFPID-8369421",
                    "CSAFPID-8369422",
                    "CSAFPID-8369423",
                    "CSAFPID-8654749"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-10650"
                },
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/10xxx/CVE-2026-10650.json"
                },
                {
                    "category": "external",
                    "summary": "Source - debian",
                    "url": "https://security-tracker.debian.org/tracker/CVE-2026-10650"
                },
                {
                    "category": "external",
                    "summary": "Source - osv",
                    "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Ubuntu%2FUBUNTU-CVE-2026-10650.json?alt=media"
                },
                {
                    "category": "external",
                    "summary": "Source - osv",
                    "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/GIT%2FCVE-2026-10650.json?alt=media"
                },
                {
                    "category": "external",
                    "summary": "Source - ncscclear",
                    "url": "https://vulnerabilities.ncsc.nl/manual/CVE-2026-10650"
                },
                {
                    "category": "external",
                    "summary": "Reference - nvd; osv",
                    "url": "https://github.com/biniamf/pocs/blob/main/libwebsockets_sshd-parse-ic-unbounded-alloc/poc_sshd_unbounded_alloc.py"
                },
                {
                    "category": "external",
                    "summary": "Reference - nvd; osv",
                    "url": "https://github.com/biniamf/pocs/tree/main/libwebsockets_sshd-parse-ic-unbounded-alloc"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; osv",
                    "url": "https://github.com/warmcat/libwebsockets/"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; osv",
                    "url": "https://github.com/warmcat/libwebsockets/commit/3f9f0c6ecaf0e6f3f219d30632c5d1f2479d7498"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; osv",
                    "url": "https://vuldb.com/cve/CVE-2026-10650"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; osv",
                    "url": "https://vuldb.com/submit/830261"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; osv",
                    "url": "https://vuldb.com/vuln/367955"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; osv",
                    "url": "https://vuldb.com/vuln/367955/cti"
                },
                {
                    "category": "external",
                    "summary": "Reference - osv",
                    "url": "https://ubuntu.com/security/CVE-2026-10650"
                },
                {
                    "category": "external",
                    "summary": "Reference - osv",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-10650"
                },
                {
                    "category": "external",
                    "summary": "Reference - osv",
                    "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10650.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - osv",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-10650"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM"
                    },
                    "products": [
                        "CSAFPID-5120065",
                        "CSAFPID-7988015",
                        "CSAFPID-7988016",
                        "CSAFPID-7988017",
                        "CSAFPID-7988018",
                        "CSAFPID-7988019",
                        "CSAFPID-7988020",
                        "CSAFPID-7988021",
                        "CSAFPID-7988022",
                        "CSAFPID-7988023",
                        "CSAFPID-8369391",
                        "CSAFPID-8369392",
                        "CSAFPID-8369393",
                        "CSAFPID-8369394",
                        "CSAFPID-8369395",
                        "CSAFPID-8369396",
                        "CSAFPID-8369397",
                        "CSAFPID-8369398",
                        "CSAFPID-8369399",
                        "CSAFPID-8369400",
                        "CSAFPID-8369401",
                        "CSAFPID-8369402",
                        "CSAFPID-8369403",
                        "CSAFPID-8369404",
                        "CSAFPID-8369405",
                        "CSAFPID-8369406",
                        "CSAFPID-8369407",
                        "CSAFPID-8369408",
                        "CSAFPID-8369409",
                        "CSAFPID-8369410",
                        "CSAFPID-8369411",
                        "CSAFPID-8369412",
                        "CSAFPID-8369413",
                        "CSAFPID-8369414",
                        "CSAFPID-8369415",
                        "CSAFPID-8369416",
                        "CSAFPID-8369417",
                        "CSAFPID-8369418",
                        "CSAFPID-8369419",
                        "CSAFPID-8369420",
                        "CSAFPID-8369421",
                        "CSAFPID-8369422",
                        "CSAFPID-8369423",
                        "CSAFPID-8654749"
                    ]
                }
            ],
            "title": "CVE-2026-10650"
        }
    ]
}