CVE-2026-6914
Full vulnerability record from the local CVENow database.
Description
Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
Severity
HIGH
CVSS score
7.1
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-04-29 17:16:41.230000
Last modified
2026-10-26 20:10:00.160000
View original CVE JSON
{
"id": "CVE-2026-6914",
"sourceIdentifier": "[email protected]",
"published": "2026-04-29T17:16:41.230",
"lastModified": "2026-10-26T20:10:00.160",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server.\nThis issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32"
},
{
"lang": "es",
"value": "Calcular la suma de verificación MD5 de un objeto BSON malformado bajo condiciones específicas puede causar pérdida de disponibilidad en el servidor MongoDB. Este problema afecta a todas las versiones del servidor MongoDB v8.2, a todas las versiones del servidor MongoDB v8.1, a las versiones del servidor MongoDB v8.0 anteriores a la 8.0.21 y a las versiones del servidor MongoDB v7.0 anteriores a la 7.0.32."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "MongoDB",
"product": "MongoDB Server",
"defaultStatus": "unaffected",
"versions": [
{
"version": "8.2.0",
"lessThan": "8.2.7",
"versionType": "custom",
"status": "affected"
},
{
"version": "8.1.0",
"lessThanOrEqual": "8.1.*",
"versionType": "custom",
"status": "affected"
},
{
"version": "8.0.0",
"lessThan": "8.0.21",
"versionType": "custom",
"status": "affected"
},
{
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"versionType": "custom",
"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": [
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"type": "Secondary",
"cvssData": {
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"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
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"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-04-29T17:49:38.302155Z",
"id": "CVE-2026-6914",
"options": [
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{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-191"
}
]
}
],
"configurations": [
{
"nodes": [
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"references": [
{
"url": "https://jira.mongodb.org/browse/SERVER-119981",
"source": "[email protected]",
"tags": [
"Issue Tracking",
"Patch"
]
}
]
}