{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-50166",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-06-03T20:54:20.433Z",
        "datePublished": "2026-09-15T14:52:30.085Z",
        "dateUpdated": "2026-09-16T15:50:24.712Z"
    },
    "containers": {
        "cna": {
            "title": "Kuma: kumactl connects to control plane without verifying TLS certificate when no CA is configured",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-295",
                            "lang": "en",
                            "description": "CWE-295: Improper Certificate Validation",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "ADJACENT",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "HIGH",
                        "subIntegrityImpact": "HIGH",
                        "subAvailabilityImpact": "HIGH",
                        "baseScore": 5.5,
                        "baseSeverity": "MEDIUM",
                        "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/kumahq/kuma/security/advisories/GHSA-v95x-xhq5-4929",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/kumahq/kuma/security/advisories/GHSA-v95x-xhq5-4929"
                },
                {
                    "name": "https://github.com/kumahq/kuma/pull/16777",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/pull/16777"
                },
                {
                    "name": "https://github.com/kumahq/kuma/commit/2d0fb382924598f8746bc85c896f50384675940f",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/commit/2d0fb382924598f8746bc85c896f50384675940f"
                },
                {
                    "name": "https://github.com/kumahq/kuma/commit/85716397ffa404234bf365da0967eca0b0fa1870",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/commit/85716397ffa404234bf365da0967eca0b0fa1870"
                },
                {
                    "name": "https://github.com/kumahq/kuma/commit/a256af4869ae7e0ebbc2a14dc231e04ac8df1ba3",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/commit/a256af4869ae7e0ebbc2a14dc231e04ac8df1ba3"
                },
                {
                    "name": "https://github.com/kumahq/kuma/commit/bb56ae628753aaec1f7846a514ab4edc35c0b569",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/commit/bb56ae628753aaec1f7846a514ab4edc35c0b569"
                },
                {
                    "name": "https://github.com/kumahq/kuma/commit/d4ae0c0151596be991897651f20c5cdf32de1980",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/commit/d4ae0c0151596be991897651f20c5cdf32de1980"
                },
                {
                    "name": "https://github.com/kumahq/kuma/commit/eb81494c2c7a5536e55c19cdde51b02a03b51e11",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/kumahq/kuma/commit/eb81494c2c7a5536e55c19cdde51b02a03b51e11"
                }
            ],
            "affected": [
                {
                    "vendor": "kumahq",
                    "product": "kuma",
                    "versions": [
                        {
                            "version": "< 2.7.26",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-09-15T14:52:30.085Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Kuma is a modern Envoy-based service mesh that can run on every cloud across both Kubernetes and VMs. Prior to 2.7.26, 2.9.16, 2.11.14, 2.12.11, and 2.13.7, a kumactl profile manually configured for an HTTPS control plane without --ca-cert-file disables TLS peer verification and sends API tokens over the unverified connection. An attacker on the network path can intercept user or administrator API tokens and act against the control plane as the compromised user. The default local profile is unaffected because it uses plain HTTP. This issue is fixed in versions 2.7.26, 2.9.16, 2.11.14, 2.12.11, and 2.13.7."
                }
            ],
            "source": {
                "advisory": "GHSA-v95x-xhq5-4929",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-16T15:50:05.694452Z",
                                "id": "CVE-2026-50166",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-16T15:50:24.712Z"
                }
            }
        ]
    }
}