{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-111623",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-16T14:31:11.150Z",
        "datePublished": "2026-10-16T17:38:59.425Z",
        "dateUpdated": "2026-10-23T18:36:30.866Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-16T17:38:59.425Z"
            },
            "datePublic": "2026-10-15T00:00:00.000Z",
            "title": "Xiaozhi-esp32-server-java through 6.1.0 Authentication Bypass via OTA Endpoint Token Issuance",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Xiaozhi-esp32-server-java through 6.1.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid device WebSocket tokens by requesting /api/device/ota with any MAC address. Attackers can open a victim device's WebSocket channel to read private role system prompts, write conversation history, consume LLM/STT/TTS credentials, and overwrite device metadata."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Authentication Bypass by Spoofing",
                            "cweId": "CWE-290",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "joey-zhou",
                    "product": "xiaozhi-esp32-server-java",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "6.1.0",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ],
                    "packageURL": "pkg:github/joey-zhou/xiaozhi-esp32-server-java",
                    "repo": "https://github.com/joey-zhou/xiaozhi-esp32-server-java"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "LOW",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 6.3,
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "LOW",
                        "baseScore": 5.6,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-java-ota-device-token-issuance",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-server/src/main/java/com/xiaozhi/device/DeviceAppService.java#L298-L346",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-server/src/main/java/com/xiaozhi/device/DeviceController.java#L142-L153",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/joey-zhou/xiaozhi-esp32-server-java/blob/v6.1.0/xiaozhi-common/src/main/java/com/xiaozhi/communication/auth/DeviceAuthService.java#L76-L81",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/joey-zhou/xiaozhi-esp32-server-java",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: Xiaozhi-esp32-server-java through 6.1.0 Authentication Bypass via OTA Endpoint Token Issuance",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/xiaozhi-esp32-server-java-through-6.1.0-authentication-bypass-via-ota-endpoint-token-issuance"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "hieuPenguinnn",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-java-ota-device-token-issuance",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-10-23T18:36:22.538834Z",
                                "id": "CVE-2026-111623",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2026-10-23T18:36:30.866Z"
                }
            }
        ]
    }
}