CVE-2026-49396
Full vulnerability record from the local CVENow database.
Description
Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.0.14, cross-site GET request can trigger stored cron commands on a victim's agents. This issue has been patched in version 2.0.14.
Severity
HIGH
CVSS score
7.1
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-06-12 22:16:51.677000
Last modified
2026-10-25 23:10:00.167000
View original CVE JSON
{
"id": "CVE-2026-49396",
"sourceIdentifier": "[email protected]",
"published": "2026-06-12T22:16:51.677",
"lastModified": "2026-10-25T23:10:00.167",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.0.14, cross-site GET request can trigger stored cron commands on a victim's agents. This issue has been patched in version 2.0.14."
},
{
"lang": "es",
"value": "Nezha Monitoring es una herramienta autoalojable, ligera, de monitoreo de servidores y sitios web, y de O&M. Desde la versión 1.0.0 hasta antes de la versión 2.0.14, una solicitud GET entre sitios puede desencadenar comandos cron almacenados en los agentes de una víctima. Este problema ha sido parcheado en la versión 2.0.14."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "nezhahq",
"product": "nezha",
"versions": [
{
"version": ">= 1.0.0, < 2.0.14",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 4.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-13T03:40:13.195038Z",
"id": "CVE-2026-49396",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-352"
}
]
}
],
"references": [
{
"url": "https://github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg",
"source": "[email protected]"
},
{
"url": "https://github.com/nezhahq/nezha/security/advisories/GHSA-8qhj-4f8c-j8qg",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}