CVE-2026-62391
Full vulnerability record from the local CVENow database.
Description
The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases. This issue affects Apache Kyuubi: from 1.6.0 before 1.12.0. Users are recommended to upgrade to version 1.12.0, which fixes the issue.
Severity
HIGH
CVSS score
8.1
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-31 11:17:11.593000
Last modified
2026-10-23 23:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-62391",
"sourceIdentifier": "[email protected]",
"published": "2026-07-31T11:17:11.593",
"lastModified": "2026-10-23T23:10:00.157",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases.\n\nThis issue affects Apache Kyuubi: from 1.6.0 before 1.12.0.\n\nUsers are recommended to upgrade to version 1.12.0, which fixes the issue."
},
{
"lang": "es",
"value": "La corrección de seguridad para CVE-2025-66518 es incompleta. Cualquier cliente que pueda acceder a Apache Kyuubi Server a través de los protocolos de frontend de Kyuubi puede eludir la configuración del lado del servidor kyuubi.session.local.dir.allowlist a través de alias de configuración de Spark sin prefijo.\n\nEste problema afecta a Apache Kyuubi: desde 1.6.0 antes de 1.12.0.\n\nSe recomienda a los usuarios que actualicen a la versión 1.12.0, que corrige el problema."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Apache Software Foundation",
"product": "Apache Kyuubi",
"defaultStatus": "unaffected",
"collectionURL": "https://repo.maven.apache.org/maven2",
"packageName": "org.apache.kyuubi:kyuubi-server",
"versions": [
{
"version": "1.6.0",
"lessThan": "1.12.0",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 5.2
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-31T16:29:24.936297Z",
"id": "CVE-2026-62391",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-22"
},
{
"lang": "en",
"value": "CWE-27"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.6.0",
"versionEndExcluding": "1.12.0",
"matchCriteriaId": "835F1AE6-8FEB-4034-8DB4-9F163ED3E12D"
}
]
}
]
}
],
"references": [
{
"url": "https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1",
"source": "[email protected]",
"tags": [
"Mailing List",
"Vendor Advisory"
]
}
]
}