CVE-2026-32594

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Prior to 8.6.40 and 9.6.0-alpha.14, the GraphQL WebSocket endpoint for subscriptions does not pass requests through the Express middleware chain that enforces authentication, introspection control, and query complexity limits. An attacker can connect to the WebSocket endpoint and execute GraphQL operations without providing a valid application or API key, access the GraphQL schema via introspection even when public introspection is disabled, and send arbitrarily complex queries that bypass configured complexity limits. This vulnerability is fixed in 8.6.40 and 9.6.0-alpha.14."}, {"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 8.6.40 y 9.6.0-alpha.14, el endpoint GraphQL WebSocket para suscripciones no pasa las solicitudes a trav\u00e9s de la cadena de middleware de Express que aplica la autenticaci\u00f3n, el control de introspecci\u00f3n y los l\u00edmites de complejidad de las consultas. Un atacante puede conectarse al endpoint WebSocket y ejecutar operaciones GraphQL sin proporcionar una aplicaci\u00f3n o clave API v\u00e1lida, acceder al esquema GraphQL a trav\u00e9s de la introspecci\u00f3n incluso cuando la introspecci\u00f3n p\u00fablica est\u00e1 deshabilitada, y enviar consultas arbitrariamente complejas que eluden los l\u00edmites de complejidad configurados. Esta vulnerabilidad est\u00e1 corregida en 8.6.40 y 9.6.0-alpha.14."}], "id": "CVE-2026-32594", "lastModified": "2026-06-17T10:36:04.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "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": 6.9, "baseSeverity": "MEDIUM", "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": "NONE", "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:N/UI:N/VC:L/VI:N/VA:L/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-32594", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-16T13:57:29.346827Z", "version": "2.0.3"}}]}, "published": "2026-03-16T14:19:38.667", "references": [{"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/parse-community/parse-server/pull/10189"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/parse-community/parse-server/pull/10190"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-p2x3-8689-cwpg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[9.0.0,9.6.0-alpha.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.6.40)"}}], "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": "2026-03-17T19:51:16.084361+00:00", "value": {"mitigation_remediation": ["Update Parse Server to v8.6.40 or v9.6.0-alpha.14 or later to apply the mitigation.", "If a patch cannot be applied immediately, restrict network access to the WebSocket endpoint by firewall rules or IP whitelisting.", "Disable public GraphQL introspection if possible and monitor for anomalous WebSocket activity.", "Verify that Express middleware is enabled for all GraphQL routes to enforce authentication and complexity limits."], "summary": {"action": "Patch Now", "impact": "Authentication Bypass & Data Exposure"}, "threat_synthesis": {"affected_systems": "The affected product is the open\u2011source Parse Server (parse-community:parse-server) for any Node.js\u2011capable environment. Vulnerable releases are those before 8.6.40 and before 9.6.0-alpha.14, including all 9.6.0-alpha.1 through alpha.13 releases. The issued CPE list shows all 9.6.0-alpha.1\u2013alpha13 plus earlier alpha releases.", "description_and_impact": "Parse Server\u2019s GraphQL WebSocket endpoint bypasses the Express middleware chain that enforces authentication, introspection control, and query complexity limits in versions prior to 8.6.40 and 9.6.0-alpha.14. An attacker can connect to the WebSocket endpoint without providing a valid application or API key, thereby executing arbitrary GraphQL operations, retrieving the full schema via introspection even when public introspection is disabled, and sending extremely complex queries that bypass configured complexity limits. This vulnerability is a Classic Authentication Bypass (CWE-306) that can lead to unauthorized data disclosure and potential denial\u2011of\u2011service conditions by exhausting server resources.", "risk_and_exploitability": "The CVSS score is 6.9, indicating moderate severity, and the EPSS probability is less than 1\u202f%. The vulnerability is not listed in the CISA KEV catalog. It can be exploited remotely by connecting to the WebSocket endpoint over the network, without the need for local privileges or valid credentials, thereby enabling the attacker to bypass authentication and other controls."}}}}, "created": "2026-03-16T09:24:01.135190+00:00", "updated": "2026-03-23T13:40:02.247242+00:00", "vendors": ["parse_community", "parse_community$PRODUCT$parse_server"]}