{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-105765",
        "assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
        "state": "PUBLISHED",
        "assignerShortName": "HashiCorp",
        "dateReserved": "2026-10-05T19:12:39.414Z",
        "datePublished": "2026-10-26T17:42:36.012Z",
        "dateUpdated": "2026-10-26T18:12:14.351Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "64 bit",
                        "32 bit",
                        "x86",
                        "ARM",
                        "MacOS",
                        "Windows",
                        "Linux"
                    ],
                    "product": "Consul",
                    "repo": "https://github.com/hashicorp/consul",
                    "vendor": "HashiCorp",
                    "versions": [
                        {
                            "lessThan": "2.1.0",
                            "status": "affected",
                            "version": "1.17.0",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "64 bit",
                        "32 bit",
                        "x86",
                        "ARM",
                        "MacOS",
                        "Windows",
                        "Linux"
                    ],
                    "product": "Consul Enterprise",
                    "repo": "https://github.com/hashicorp/consul",
                    "vendor": "HashiCorp",
                    "versions": [
                        {
                            "changes": [
                                {
                                    "at": "1.21.19",
                                    "status": "unaffected"
                                }
                            ],
                            "lessThan": "2.1.0",
                            "status": "affected",
                            "version": "1.17.0",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "This issue was reported to HashiCorp by Tomas Castillo (https://github.com/muertostech)."
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.</p><br/>"
                        }
                    ],
                    "value": "HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-1",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-862",
                            "description": "CWE-862: Missing Authorization",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc",
                "shortName": "HashiCorp",
                "dateUpdated": "2026-10-26T18:12:14.351Z"
            },
            "references": [
                {
                    "url": "https://discuss.hashicorp.com/t/hcsec-2026-46-consul-vulnerable-to-an-authorization-bypass-in-the-agents-service-mesh-leaf-certificate-api/77911"
                }
            ],
            "source": {
                "advisory": "HCSEC-2026-46",
                "discovery": "EXTERNAL"
            },
            "title": "Consul vulnerable to an authorization bypass in the agent's service mesh leaf certificate API"
        }
    }
}