{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-59818",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-07-07T15:00:50.978Z",
        "datePublished": "2026-07-08T21:00:18.207Z",
        "dateUpdated": "2026-07-09T13:13:10.463Z"
    },
    "containers": {
        "cna": {
            "title": "etcd: gRPC client listener does not enforce `--client-crl-file` certificate revocation",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-295",
                            "lang": "en",
                            "description": "CWE-295: Improper Certificate Validation",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "HIGH",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/etcd-io/etcd/security/advisories/GHSA-3wh4-j44w-pg92",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/etcd-io/etcd/security/advisories/GHSA-3wh4-j44w-pg92"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/pull/22007",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/pull/22007"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/pull/22021",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/pull/22021"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/pull/22025",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/pull/22025"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/commit/2308ce1578064641d4d67c40f0487309267d1bef",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/commit/2308ce1578064641d4d67c40f0487309267d1bef"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/commit/24838af5a53dd0245adced920e42a9bf0e7a267f",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/commit/24838af5a53dd0245adced920e42a9bf0e7a267f"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/commit/8221ae82bc25d4d55ca64382207b69be71038cbb",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/commit/8221ae82bc25d4d55ca64382207b69be71038cbb"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/releases/tag/v3.5.32",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/releases/tag/v3.5.32"
                },
                {
                    "name": "https://github.com/etcd-io/etcd/releases/tag/v3.6.13",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/etcd-io/etcd/releases/tag/v3.6.13"
                }
            ],
            "affected": [
                {
                    "vendor": "etcd-io",
                    "product": "etcd",
                    "versions": [
                        {
                            "version": ">= 3.6.0-alpha.0, < 3.6.13",
                            "status": "affected"
                        },
                        {
                            "version": "< 3.5.32",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-08T21:00:18.207Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-crl-file Certificate Revocation List is not enforced on the gRPC listener, allowing a client with a revoked certificate to authenticate successfully over gRPC. This issue is fixed in versions 3.5.32 and 3.6.13."
                }
            ],
            "source": {
                "advisory": "GHSA-3wh4-j44w-pg92",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-09T13:13:02.654220Z",
                                "id": "CVE-2026-59818",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-07-09T13:13:10.463Z"
                }
            }
        ]
    }
}