CVE-2026-30962

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Prior to 9.5.2-alpha.6 and 8.6.19, the validation for protected fields only checks top-level query keys. By wrapping a query constraint on a protected field inside a logical operator, the check is bypassed entirely. This allows any authenticated user to query on protected fields to extract field values. All Parse Server deployments have default protected fields and are vulnerable. This vulnerability is fixed in 9.5.2-alpha.6 and 8.6.19."}, {"lang": "es", "value": "Parse Server es un backend de c\u00f3digo abierto que puede ser desplegado en cualquier infraestructura que pueda ejecutar Node.js. Antes de 9.5.2-alpha.6 y 8.6.19, la validaci\u00f3n para campos protegidos solo verifica claves de consulta de nivel superior. Al envolver una restricci\u00f3n de consulta en un campo protegido dentro de un operador l\u00f3gico, la verificaci\u00f3n se omite por completo. Esto permite a cualquier usuario autenticado consultar campos protegidos para extraer valores de campo. Todas las implementaciones de Parse Server tienen campos protegidos predeterminados y son vulnerables. Esta vulnerabilidad est\u00e1 corregida en 9.5.2-alpha.6 y 8.6.19."}], "id": "CVE-2026-30962", "lastModified": "2026-06-17T10:33:13.943", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-30962", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-11T14:28:30.349777Z", "version": "2.0.3"}}]}, "published": "2026-03-10T21:16:48.663", "references": [{"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/parse-community/parse-server/releases/tag/8.6.19"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.6"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-72hp-qff8-4pvv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0,9.5.2-alpha.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.6.19)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "parse-server", "source": "cna", "vendor": "parse-community"}, "product": "parse_server", "vendor": "parse_community"}], "analysis": {"en": {"generated_at": "2026-04-16T03:24:20.252410+00:00", "value": {"mitigation_remediation": ["Update Parse Server to version 8.6.19 or 9.5.2\u2011alpha.6 or later, ensuring the protected fields validation patch is applied.", "If an update is not immediately feasible, temporarily disable protected fields or restrict query usage through application\u2011level controls to prevent exposure.", "Verify that the app\u2019s integration layer does not allow unvalidated logical operators to be passed in queries, adding server\u2011side validation or schema enforcement as an additional safeguard."], "summary": {"action": "Immediate Patch", "impact": "Access Control Bypass"}, "threat_synthesis": {"affected_systems": "All releases of the open source Parse Server before version 8.6.19 and before 9.5.2\u2011alpha.6 are affected. The vulnerability applies to any deployment that uses the default protected field configuration, regardless of host infrastructure. Updated versions are 8.6.19 and 9.5.2\u2011alpha.6 (or later).", "description_and_impact": "Parse Server\u2019s protected fields enforcement fails when a protected field is wrapped inside a logical operator. As a result, any authenticated user can query and retrieve values from fields that should be hidden. The vulnerability stems from an improper validation of non\u2011top\u2011level query keys and corresponds to CWE\u2011284. This abuse leads to unauthorized disclosure of sensitive data but does not allow code execution or privilege escalation. The impact is limited to information disclosure for authenticated users, but the breadth of the data exposed can be large, affecting data confidentiality for all deployed services.", "risk_and_exploitability": "The CVSS v3 score of 7.1 indicates a high severity of design flaw. The EPSS score of less than 1% signals a low likelihood of current exploitation, and the vulnerability is not listed in the CISA KEV catalog. However, the attack vector is effectively the application's query API; any authenticated user can construct a query using logical operators to trigger the bypass. Once the check is circumvented, the attacker obtains protected field data, potentially violating privacy and compliance requirements."}}}}, "created": "2026-03-11T11:42:45.112345+00:00", "updated": "2026-04-16T03:30:06.066056+00:00", "vendors": ["parse_community", "parse_community$PRODUCT$parse_server"]}