CVE-2026-18701
Full vulnerability record from the local CVENow database.
Description
An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service.
Severity
HIGH
CVSS score
7.1
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-08-11 19:17:24.580000
Last modified
2026-10-23 21:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-18701",
"sourceIdentifier": "[email protected]",
"published": "2026-08-11T19:17:24.580",
"lastModified": "2026-10-23T21:10:00.157",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue in MongoDB Server's query subsystem could allow an authenticated user with read privileges to cause the server process to terminate unexpectedly by submitting a specially formed query filter. This could result in a denial of service."
},
{
"lang": "es",
"value": "Un problema en el subsistema de consultas del servidor MongoDB podría permitir a un usuario autenticado con privilegios de lectura causar que el proceso del servidor termine inesperadamente al enviar un filtro de consulta especialmente formado. Esto podría resultar en una denegación de servicio."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "MongoDB",
"product": "MongoDB Server",
"defaultStatus": "unaffected",
"versions": [
{
"version": "8.3.0",
"lessThan": "8.3.8",
"versionType": "semver",
"status": "affected"
},
{
"version": "8.0",
"lessThan": "8.0.29",
"versionType": "semver",
"status": "affected"
},
{
"version": "7.0",
"lessThan": "7.0.40",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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": 7.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"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",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"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"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-08-11T20:24:29.377782Z",
"id": "CVE-2026-18701",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-843"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*",
"versionStartIncluding": "7.0.0",
"versionEndExcluding": "7.0.40",
"matchCriteriaId": "F3DB18E4-812C-4E04-802D-5D6B61CE9D1B"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*",
"versionStartIncluding": "8.0.0",
"versionEndExcluding": "8.0.29",
"matchCriteriaId": "4DC64BC6-1D47-4809-9616-95A7CF59DC37"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*",
"versionStartIncluding": "8.2.0",
"versionEndIncluding": "8.2.12",
"matchCriteriaId": "7BCD6B05-9FD5-4283-A2AC-8B625425597F"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*",
"versionStartIncluding": "8.3.0",
"versionEndExcluding": "8.3.8",
"matchCriteriaId": "6EE4503A-F53C-432E-9DDB-F488DD989E8A"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:*:*:-:-:*:*",
"matchCriteriaId": "0FB52026-6C88-4401-84B5-3A070F0906D4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:*:*:-:-:*:*",
"matchCriteriaId": "8D32A105-731C-493E-8CBF-639204CDAC7C"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:*:*:-:-:*:*",
"matchCriteriaId": "D56E512D-83F8-4D51-8690-E92F6A006822"
}
]
}
]
}
],
"references": [
{
"url": "https://jira.mongodb.org/browse/SERVER-130111",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Issue Tracking"
]
}
]
}