CVE-2026-13055
Full vulnerability record from the local CVENow database.
Description
The `$_internalIndexKey` aggregation expression can be used by any authenticated user to crash a MongoDB server (mongod). The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an aggregation pipeline.
Severity
HIGH
CVSS score
7.1
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-22 20:16:43.220000
Last modified
2026-10-24 13:10:00.147000
View original CVE JSON
{
"id": "CVE-2026-13055",
"sourceIdentifier": "[email protected]",
"published": "2026-07-22T20:16:43.220",
"lastModified": "2026-10-24T13:10:00.147",
"vulnStatus": "Analyzed",
"cveTags": [],
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{
"lang": "en",
"value": "The `$_internalIndexKey` aggregation expression can be used by any authenticated user to crash a MongoDB server (mongod). The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an aggregation pipeline."
},
{
"lang": "es",
"value": "La expresión de agregación ’$_internalIndexKey’ puede ser utilizada por cualquier usuario autenticado para colapsar un servidor MongoDB (mongod). La expresión no logra manejar especificaciones de índice comodín compuesto, lo que desencadena una comprobación de consistencia interna que aborta el proceso del servidor. El usuario debe ser capaz de ejecutar una pipeline de agregación."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "MongoDB",
"product": "MongoDB Server",
"defaultStatus": "unaffected",
"versions": [
{
"version": "7.0",
"lessThan": "7.0.39",
"versionType": "semver",
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},
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"status": "affected"
},
{
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"versionType": "semver",
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},
{
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}
]
}
]
}
],
"metrics": {
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"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vulnIntegrityImpact": "NONE",
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"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": "YES",
"Recovery": "AUTOMATIC",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
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"cvssMetricV31": [
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"cvssData": {
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"ssvcV203": [
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"id": "CVE-2026-13055",
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{
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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-617"
}
]
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"configurations": [
{
"nodes": [
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"references": [
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"url": "https://jira.mongodb.org/browse/SERVER-123081",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Issue Tracking"
]
}
]
}