CVE-2026-13065
Full vulnerability record from the local CVENow database.
Description
A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution.
Severity
HIGH
CVSS score
7.1
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-22 20:16:44.670000
Last modified
2026-10-24 13:10:00.147000
View original CVE JSON
{
"id": "CVE-2026-13065",
"sourceIdentifier": "[email protected]",
"published": "2026-07-22T20:16:44.670",
"lastModified": "2026-10-24T13:10:00.147",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A user with read-only privileges is able to craft an aggregation pipeline using the $linearFill window function operator with a specific sortBy expression type to cause the mongod process to terminate abnormally, resulting in denial of service. The issue stems from insufficient validation of sort specifications during execution."
},
{
"lang": "es",
"value": "Un usuario con privilegios de solo lectura es capaz de elaborar una pipeline de agregación utilizando el operador de función de ventana $linearFill con un tipo de expresión sortBy específico para causar que el proceso mongod termine de forma anómala, resultando en denegación de servicio. El problema se deriva de una validación insuficiente de las especificaciones de ordenación durante la ejecución."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "MongoDB",
"product": "MongoDB Server",
"defaultStatus": "unaffected",
"versions": [
{
"version": "7.0",
"lessThan": "7.0.39",
"versionType": "semver",
"status": "affected"
},
{
"version": "8.0",
"lessThan": "8.0.28",
"versionType": "semver",
"status": "affected"
},
{
"version": "8.2.0",
"lessThan": "8.2.12",
"versionType": "semver",
"status": "affected"
},
{
"version": "8.3.0",
"lessThan": "8.3.7",
"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": "2026-07-23T15:01:29.933632Z",
"id": "CVE-2026-13065",
"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-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
"versionStartIncluding": "7.0.0",
"versionEndExcluding": "7.0.39",
"matchCriteriaId": "53A9D948-1D2E-4944-A927-355B050FE628"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
"versionStartIncluding": "8.0.0",
"versionEndExcluding": "8.0.28",
"matchCriteriaId": "77C7B2B9-8744-4DE9-9A6E-9E00779F747A"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
"versionStartIncluding": "8.2.0",
"versionEndExcluding": "8.2.12",
"matchCriteriaId": "E22F06D2-19F4-4869-BA89-CF181A37F1FB"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*",
"versionStartIncluding": "8.3.0",
"versionEndExcluding": "8.3.7",
"matchCriteriaId": "08ECFF67-5CF6-475F-9E4C-34E5F0DE114E"
}
]
}
]
}
],
"references": [
{
"url": "https://jira.mongodb.org/browse/SERVER-127280",
"source": "[email protected]",
"tags": [
"Vendor Advisory",
"Issue Tracking"
]
}
]
}