CVE-2026-33382
Full vulnerability record from the local CVENow database.
Description
Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-10 16:16:29.130000
Last modified
2026-10-25 15:10:00.147000
View original CVE JSON
{
"id": "CVE-2026-33382",
"sourceIdentifier": "[email protected]",
"published": "2026-07-10T16:16:29.130",
"lastModified": "2026-10-25T15:10:00.147",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service."
},
{
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"value": "Varios puntos finales de la API de Grafana, algunos de ellos no autenticados, no limitan el tamaño del cuerpo de la solicitud antes de procesarlo. Un atacante puede enviar cargas útiles muy grandes que fuerzan una asignación excesiva de memoria, agotando potencialmente la memoria y causando una denegación de servicio."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Grafana",
"product": "Grafana OSS",
"defaultStatus": "unaffected",
"versions": [
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},
{
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},
{
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},
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},
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}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
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],
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},
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}
}
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-400"
}
]
}
],
"configurations": [
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"references": [
{
"url": "https://grafana.com/security/security-advisories/cve-2026-33382",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}