Open MQTT orchestration without read/write ACLs in Yarbo robot firmware_CVE-2026-7415

{
    "lastseen": "",
    "description": "The MQTT broker embedded in Yarbo firmware v2.3.9 is configured to allow anonymous connections with no topic-level read or write ACLs. Any host on the same network can subscribe to sensitive telemetry topics or publish control messages directly to the robot without authentication or authorization of any kind.",
    "published": "2026-05-07T16:11:16.943Z",
    "modified": "2026-05-07T17:04:31.177Z",
    "type": "cve",
    "title": "Open MQTT orchestration without read/write ACLs in Yarbo robot firmware",
    "source": "AHA",
    "references": "https://github.com/Bin4ry/yarbo-nat-in-my-back-yard\nhttps://takeonme.org/gcves/GCVE-1337-2026-00000000000000000000000000000000000000000000000000111111111100111111111110000000000000000000000000000000000000000000000000000001001",
    "id": "CVE-2026-7415",
    "bulletinFamily": "",
    "cwe": [
        "CWE-306"
    ],
    "cvelist": null,
    "sourceData": "Yarbo Firmware 0",
    "sourceHref": "",
    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Firmware",
    "version": "0",
    "vendor": "Yarbo",
    "ai_description": "MQTT broker allows anonymous connections with no topic-level read or write ACLs",
    "ai_severity": "Critical",
    "ai_vendor": "Yarbo",
    "ai_product": "Yarbo Robot Firmware",
    "ai_version": "v2.3.9",
    "ai_score": 9.8
}