CVE-2026-31901

{"id": "CVE-2026-31901", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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": "PRESENT", "privilegesRequired": "NONE", "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": "LOW", "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"}}]}, "published": "2026-03-11T20:16:16.120", "references": [{"url": "https://github.com/parse-community/parse-server/releases/tag/8.6.34", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.8", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/parse-community/parse-server/security/advisories/GHSA-w54v-hf9p-8856", "tags": ["Patch", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-204"}]}], "descriptions": [{"lang": "en", "value": "Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.34 and 9.6.0-alpha.8, the email verification endpoint (/verificationEmailRequest) returns distinct error responses depending on whether an email address belongs to an existing user, is already verified, or does not exist. An attacker can send requests with different email addresses and observe the error codes to determine which email addresses are registered in the application. This is a user enumeration vulnerability that affects any Parse Server deployment with email verification enabled (verifyUserEmails: true). This vulnerability is fixed in 8.6.34 and 9.6.0-alpha.8."}, {"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 las versiones 8.6.34 y 9.6.0-alpha.8, el endpoint de verificaci\u00f3n de correo electr\u00f3nico (/verificationEmailRequest) devuelve respuestas de error distintas dependiendo de si una direcci\u00f3n de correo electr\u00f3nico pertenece a un usuario existente, ya est\u00e1 verificada o no existe. Un atacante puede enviar solicitudes con diferentes direcciones de correo electr\u00f3nico y observar los c\u00f3digos de error para determinar qu\u00e9 direcciones de correo electr\u00f3nico est\u00e1n registradas en la aplicaci\u00f3n. Esta es una vulnerabilidad de enumeraci\u00f3n de usuarios que afecta a cualquier despliegue de Parse Server con la verificaci\u00f3n de correo electr\u00f3nico habilitada (verifyUserEmails: true). Esta vulnerabilidad est\u00e1 corregida en las versiones 8.6.34 y 9.6.0-alpha.8."}], "lastModified": "2026-03-13T17:06:01.507", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "F989167B-00E2-408B-BFC7-E4F50B17211D", "versionEndExcluding": "8.6.34"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "1BAC01F8-0899-482C-8D91-64671BF2859A", "versionEndExcluding": "9.6.0", "versionStartIncluding": "9.0.0"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha1:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "BBED261F-CA1B-44BC-9C3A-37378590EFEE"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha2:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "EDC98AF7-8620-4A25-9BE5-623672599677"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha3:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "DF340605-8CC8-4543-9F5D-E8602D258CED"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha4:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "A052DFCA-EDCC-43D7-82C7-E5311F6F7687"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha5:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "12B11714-B961-4330-B241-FC5AF94FDBE8"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha6:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "37A7C42B-4986-4BB6-BB27-0324A9AA1CFF"}, {"criteria": "cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha7:*:*:*:node.js:*:*", "vulnerable": true, "matchCriteriaId": "C793834B-64B4-4DE9-BD7D-79B52C30C34E"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}