CVE-2026-50222

{"id": "CVE-2026-50222", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-50222", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-25T19:33:56.794540Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache CloudStack", "versions": [{"status": "affected", "version": "4.18.0.0", "versionType": "semver", "lessThanOrEqual": "4.20.3.0"}, {"status": "affected", "version": "4.21.0.0", "versionType": "semver", "lessThanOrEqual": "4.22.1.0"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-21T09:16:38.280", "references": [{"url": "https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc", "tags": ["Vendor Advisory", "Mailing List"], "source": "security@apache.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Missing Authorization, Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache CloudStack's Userdata reference APIs.\n\nSeveral userdata-related APIs in Apache CloudStack, including deleteUserData, linkUserDataToTemplate, resetUserDataForVirtualMachine, deployVirtualMachine, and updateVirtualMachine, exhibit missing or insufficient access control validation, potentially allowing cross-tenant/cross-account access to userdata resources that belong to other tenants.\n\nThis issue affects Apache CloudStack: from 4.18.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nThe deleteCniConfiguration API, introduced in 4.21.0.0, also exhibits similar behaviour and lacks access validation.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue."}, {"lang": "es", "value": "Autorizaci\u00f3n Faltante, Exposici\u00f3n de Informaci\u00f3n Sensible a un Actor No Autorizado vulnerabilidad en las API de referencia de Userdata de Apache CloudStack.\n\nVarias API relacionadas con userdata en Apache CloudStack, incluyendo deleteUserData, linkUserDataToTemplate, resetUserDataForVirtualMachine, deployVirtualMachine y updateVirtualMachine, exhiben una validaci\u00f3n de control de acceso faltante o insuficiente, lo que potencialmente permite el acceso entre inquilinos/entre cuentas a recursos de userdata que pertenecen a otros inquilinos.\n\nEste problema afecta a Apache CloudStack: desde 4.18.0.0 hasta 4.20.3.0 y desde 4.21.0.0 hasta 4.22.1.0.\n\nLa API deleteCniConfiguration, introducida en 4.21.0.0, tambi\u00e9n exhibe un comportamiento similar y carece de validaci\u00f3n de acceso.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 4.20.3.1 o 4.22.1.1 o posterior, lo que soluciona el problema."}], "lastModified": "2026-10-16T15:10:00.103", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2984C5AE-1154-456A-BFF5-067503BBF7D6", "versionEndExcluding": "4.20.3.1", "versionStartIncluding": "4.18.0.0"}, {"criteria": "cpe:2.3:a:apache:cloudstack:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D603F400-5DA6-4A5C-BE58-91F137F8983C", "versionEndExcluding": "4.22.1.1", "versionStartIncluding": "4.21.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}