CVE-2026-111623
Xiaozhi-esp32-server-java hasta la versión 6.1.0 contiene una vulnerabilidad de elusión de autenticación que permite a atacantes sin autenticar obtener tokens WebSocket válidos de dispositivos solicitando /api/device/ota con cualquier dirección MAC. Los atacantes pueden abrir el canal WebSocket de un dispositivo víctima para leer los prompts de sistema privados de los roles, escribir en el historial de conversaciones, consumir las credenciales de LLM/STT/TTS y sobrescribir los metadatos del dispositivo.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 6.3
- Versión
- 4.0
- Vector
- 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/E:X/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
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 0.36 %
- Percentil entre todas las CVEs puntuadas
- 29
- Fecha de la puntuación
- 20/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access75 % - Impacto secundario
T1005Data from Local Systemcollection70 % - Impacto secundario
T1565Data Manipulationimpact65 %
Vector AV:N/PR:N/UI:N y bypass de autenticación en /api/device/ota permite obtener tokens WebSocket válidos; el texto cita lectura de prompts, escritura de historial y sobrescritura de metadatos.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-290
Referencias
Mostrar las 6 referencias
- https://github.com/joey-zhou/xiaozhi-esp32-server-java
- 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
- 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
- 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
- https://hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-java-ota-device-token-issuance
- https://www.vulncheck.com/advisories/xiaozhi-esp32-server-java-through-6.1.0-authentication-bypass-via-ota-endpoint-token-issuance
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-111623",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.6,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 2.2
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 6.3,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"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/E:X/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
{
"repo": "https://github.com/joey-zhou/xiaozhi-esp32-server-java",
"vendor": "joey-zhou",
"product": "xiaozhi-esp32-server-java",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "6.1.0"
}
],
"packageURL": "pkg:github/joey-zhou/xiaozhi-esp32-server-java",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-16T18:17:42.133",
"references": [
{
"url": "https://github.com/joey-zhou/xiaozhi-esp32-server-java",
"source": "disclosure@vulncheck.com"
},
{
"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",
"source": "disclosure@vulncheck.com"
},
{
"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",
"source": "disclosure@vulncheck.com"
},
{
"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",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://hackmd.io/@hieuPenguinnn/xiaozhi-esp32-server-java-ota-device-token-issuance",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/xiaozhi-esp32-server-java-through-6.1.0-authentication-bypass-via-ota-endpoint-token-issuance",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-290"
}
]
}
],
"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."
}
],
"lastModified": "2026-10-16T19:03:18.127",
"sourceIdentifier": "disclosure@vulncheck.com"
}