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vuln-cve/data/2026/81xxx/CVE-2026-81490.json
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{
"dataType": "CVE_RECORD",
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"cveMetadata": {
"cveId": "CVE-2026-81490",
"assignerOrgId": "a39b4221-9bd0-4244-95fc-f3e2e07f1deb",
"state": "PUBLISHED",
"assignerShortName": "mongodb",
"dateReserved": "2026-08-26T20:48:19.853Z",
"datePublished": "2026-08-28T20:10:38.565Z",
"dateUpdated": "2026-08-31T18:39:45.802Z"
},
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"shortName": "mongodb",
"dateUpdated": "2026-08-28T20:10:38.565Z"
},
"title": "MongoDB Connector for BI Improper Error Handling During Schema Sampling May Cause Loss of SQL Service",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-476",
"description": "CWE-476: NULL Pointer Dereference",
"type": "CWE"
}
]
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],
"affected": [
{
"vendor": "MongoDB",
"product": "BI Connector",
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"version": "0",
"lessThan": "2.14.31",
"versionType": "semver"
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"value": "A database user able to create a view in a namespace that MongoDB Connector for BI samples can cause the schema-sampling routine to stop functioning by defining a view whose evaluation reliably fails. The sampling logic classifies the resulting server message as transient and, after the configured retries are exhausted, proceeds without a valid result, ending the schema refresh routine. The mongosqld process continues running without a usable schema, so SQL clients are unable to obtain results until an operator removes the view or excludes its namespace from sampling.",
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"value": "A database user able to create a view in a namespace that MongoDB Connector for BI samples can cause the schema-sampling routine to stop functioning by defining a view whose evaluation reliably fails. The sampling logic classifies the resulting server message as transient and, after the configured retries are exhausted, proceeds without a valid result, ending the schema refresh routine. The mongosqld process continues running without a usable schema, so SQL clients are unable to obtain results until an operator removes the view or excludes its namespace from sampling."
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"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subAvailabilityImpact": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "HIGH",
"baseScore": 8.3,
"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:H"
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"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseSeverity": "HIGH",
"baseScore": 7.7,
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H"
}
}
],
"source": {
"discovery": "INTERNAL"
},
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"type": "ssvc",
"content": {
"timestamp": "2026-08-31T18:39:31.511857Z",
"id": "CVE-2026-81490",
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"Automatable": "no"
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"role": "CISA Coordinator",
"version": "2.0.3"
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"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-31T18:39:45.802Z"
}
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]
}
}