CVE-2026-22611

{"id": "CVE-2026-22611", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.2}]}, "published": "2026-01-10T06:15:51.270", "references": [{"url": "https://github.com/aws/aws-sdk-net/security/advisories/GHSA-9cvc-h2w8-phrp", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "AWS SDK for .NET works with Amazon Web Services to help build scalable solutions with Amazon S3, Amazon DynamoDB, Amazon Glacier, and more. From versions 4.0.0 to before 4.0.3.3, Customer applications could be configured to improperly route AWS API calls to non-existent or non-AWS hosts. This notification is related to the use of specific values for the region input field when calling AWS services. An actor with access to the environment in which the SDK is used could set the region input field to an invalid value. This issue has been patched in version 4.0.3.3."}, {"lang": "es", "value": "El SDK de AWS para .NET funciona con Amazon Web Services para ayudar a construir soluciones escalables con Amazon S3, Amazon DynamoDB, Amazon Glacier y m\u00e1s. Desde las versiones 4.0.0 hasta antes de la 4.0.3.3, las aplicaciones del cliente podr\u00edan configurarse para enrutar incorrectamente las llamadas a la API de AWS a hosts inexistentes o que no son de AWS. Esta notificaci\u00f3n est\u00e1 relacionada con el uso de valores espec\u00edficos para el campo de entrada de regi\u00f3n al llamar a los servicios de AWS. Un actor con acceso al entorno en el que se utiliza el SDK podr\u00eda establecer el campo de entrada de regi\u00f3n en un valor no v\u00e1lido. Este problema ha sido parcheado en la versi\u00f3n 4.0.3.3."}], "lastModified": "2026-04-15T00:35:42.020", "sourceIdentifier": "security-advisories@github.com"}