CVE-2026-18690
Full vulnerability record from the local CVENow database.
Description
An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.
Severity
HIGH
CVSS score
7.2
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-08-11 19:17:22.757000
Last modified
2026-10-23 21:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-18690",
"sourceIdentifier": "[email protected]",
"published": "2026-08-11T19:17:22.757",
"lastModified": "2026-10-23T21:10:00.157",
"vulnStatus": "Analyzed",
"cveTags": [],
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{
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"value": "An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization."
},
{
"lang": "es",
"value": "Un problema en el servidor MongoDB podría permitir a un usuario autenticado con un rol limitado de ámbito de base de datos realizar una acción contra colecciones de sistema protegidas que sus privilegios asignados no deberían permitir. Esto podría resultar en que colecciones de sistema críticas sean eliminadas y recreadas sin la autorización adecuada."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "MongoDB",
"product": "MongoDB Server",
"defaultStatus": "unaffected",
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"versionType": "semver",
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},
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"versionType": "semver",
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},
{
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}
]
}
]
}
],
"metrics": {
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"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 7.2,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
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"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
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"cvssMetricV31": [
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"id": "CVE-2026-18690",
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"role": "CISA Coordinator",
"version": "2.0.3"
}
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"weaknesses": [
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"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
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"configurations": [
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"references": [
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"url": "https://jira.mongodb.org/browse/SERVER-130481",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Issue Tracking"
]
}
]
}