CVE-2026-9750

An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain execution paths.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://jira.mongodb.org/browse/SERVER-123633	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mongodb:mongodb::::::::
	cpe:2.3:a:mongodb:mongodb::::::::
	cpe:2.3:a:mongodb:mongodb::::::::
	cpe:2.3:a:mongodb:mongodb::::::::

History

23 Jul 2026, 09:10

Type	Values Removed	Values Added
Summary		(es) Un usuario autenticado puede causar que un servidor MongoDB se bloquee o devuelva resultados incorrectos al crear documentos que interfieren con el procesamiento interno de metadatos durante la ejecución de consultas. Esto se deriva de una separación insuficiente entre los campos de documentos controlados por el usuario y los metadatos internos en ciertas rutas de ejecución.

15 Jun 2026, 17:10

Type	Values Removed	Values Added
First Time		Mongodb mongodb Mongodb
References	~~() https://jira.mongodb.org/browse/SERVER-123633 -~~	() https://jira.mongodb.org/browse/SERVER-123633 - Vendor Advisory
CPE		cpe:2.3:a:mongodb:mongodb::::::::

09 Jun 2026, 23:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-09 23:17

Updated : 2026-07-23 09:10

NVD link : CVE-2026-9750

Mitre link : CVE-2026-9750

CVE.ORG link : CVE-2026-9750

JSON object : View

Products Affected

mongodb

mongodb

CWE

CWE-617

Reachable Assertion

{"id": "CVE-2026-9750", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9750", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-10T13:28:32.435050Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@mongodb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@mongodb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cna@mongodb.com", "affectedData": [{"vendor": "MongoDB", "product": "MongoDB Server", "versions": [{"status": "affected", "version": "8.3.0", "lessThan": "8.3.3", "versionType": "semver"}, {"status": "affected", "version": "8.2.0", "lessThan": "8.2.10", "versionType": "semver"}, {"status": "affected", "version": "8.0.0", "lessThan": "8.0.24", "versionType": "semver"}, {"status": "affected", "version": "7.0.0", "lessThan": "7.0.35", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-09T23:17:04.510", "references": [{"url": "https://jira.mongodb.org/browse/SERVER-123633", "tags": ["Vendor Advisory"], "source": "cna@mongodb.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cna@mongodb.com", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "An authenticated user can cause a MongoDB server to crash or return incorrect results by creating documents that interfere with internal metadata processing during query execution. This stems from insufficient separation between user-controlled document fields and internal metadata in certain execution paths."}, {"lang": "es", "value": "Un usuario autenticado puede causar que un servidor MongoDB se bloquee o devuelva resultados incorrectos al crear documentos que interfieren con el procesamiento interno de metadatos durante la ejecuci\u00f3n de consultas. Esto se deriva de una separaci\u00f3n insuficiente entre los campos de documentos controlados por el usuario y los metadatos internos en ciertas rutas de ejecuci\u00f3n."}], "lastModified": "2026-07-23T09:10:00.113", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4A597EDD-7227-4462-9742-EC211F3D3043", "versionEndExcluding": "7.0.35", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2769E44F-AA84-4942-BC40-AEA0E84BFBA5", "versionEndExcluding": "8.0.24", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3BDF7B8-82C8-4F03-9614-6FD73582D174", "versionEndExcluding": "8.2.10", "versionStartIncluding": "8.2.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "565AB85D-0F4A-4ED3-B951-7949D7AB85A6", "versionEndExcluding": "8.3.3", "versionStartIncluding": "8.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "cna@mongodb.com"}