Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing_CVE-2026-53520

{
    "lastseen": "",
    "description": "Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.14 to before version 2.1.0, authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing. This issue has been patched in version 2.1.0.",
    "published": "2026-06-12T21:03:58.782Z",
    "modified": "2026-06-12T21:03:58.782Z",
    "type": "cve",
    "title": "Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing",
    "source": "GitHub_M",
    "references": "https://github.com/nezhahq/nezha/security/advisories/GHSA-x6fg-52vr-hj4w",
    "id": "CVE-2026-53520",
    "bulletinFamily": "",
    "cwe": [
        "CWE-284"
    ],
    "cvelist": null,
    "sourceData": "nezhahq nezha >= 2.0.14, < 2.1.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.5,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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": "nezha",
    "version": ">= 2.0.14, < 2.1.0",
    "vendor": "nezhahq",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}