CVE-2026-18705

{"id": "CVE-2026-18705", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18705", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-11T20:25:15.782249Z"}}], "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:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "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:H/VI:N/VA:N/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": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "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": "8.3.8", "versionType": "semver"}, {"status": "affected", "version": "8.0", "lessThan": "8.0.29", "versionType": "semver"}, {"status": "affected", "version": "7.0", "lessThan": "7.0.40", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-11T19:17:25.207", "references": [{"url": "https://jira.mongodb.org/browse/SERVER-129618", "tags": ["Vendor Advisory", "Issue Tracking"], "source": "cna@mongodb.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cna@mongodb.com", "description": [{"lang": "en", "value": "CWE-807"}]}], "descriptions": [{"lang": "en", "value": "An issue in MongoDB Server's Atlas Vector Search feature could allow an authenticated user with read access to one view to retrieve documents from a different, protected view over the same underlying collection. This is due to insufficient handling of certain user-supplied fields when constructing an internal request forwarded to the search process."}, {"lang": "es", "value": "Un problema en la caracter\u00edstica Atlas Vector Search del servidor MongoDB podr\u00eda permitir a un usuario autenticado con acceso de lectura a una vista recuperar documentos de una vista diferente y protegida sobre la misma colecci\u00f3n subyacente. Esto se debe a un manejo insuficiente de ciertos campos proporcionados por el usuario al construir una solicitud interna reenviada al proceso de b\u00fasqueda."}], "lastModified": "2026-10-23T21:10:00.157", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3DB18E4-812C-4E04-802D-5D6B61CE9D1B", "versionEndExcluding": "7.0.40", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DC64BC6-1D47-4809-9616-95A7CF59DC37", "versionEndExcluding": "8.0.29", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7BCD6B05-9FD5-4283-A2AC-8B625425597F", "versionEndIncluding": "8.2.12", "versionStartIncluding": "8.2.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6EE4503A-F53C-432E-9DDB-F488DD989E8A", "versionEndExcluding": "8.3.8", "versionStartIncluding": "8.3.0"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:*:*:-:-:*:*", "vulnerable": true, "matchCriteriaId": "0FB52026-6C88-4401-84B5-3A070F0906D4"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:*:*:-:-:*:*", "vulnerable": true, "matchCriteriaId": "8D32A105-731C-493E-8CBF-639204CDAC7C"}, {"criteria": "cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:*:*:-:-:*:*", "vulnerable": true, "matchCriteriaId": "D56E512D-83F8-4D51-8690-E92F6A006822"}], "operator": "OR"}]}], "sourceIdentifier": "cna@mongodb.com"}