CVE-2026-48061

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{"affected": [{"affectedData": [{"product": "litestar", "vendor": "litestar-org", "versions": [{"status": "affected", "version": "< 2.22.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the X-Forwarded-Host header as a fallback when the Host header is absent. Since X-Forwarded-Host is a client-controllable header, this enables host header injection attacks such as password reset poisoning, cache poisoning, and server-side request routing manipulation. Any application using AllowedHostsConfig is affected when deployed without a reverse proxy that strips X-Forwarded-Host, or when accepting HTTP/1.0 connections. This issue has been fixed in version 2.22.0."}, {"lang": "es", "value": "Litestar es un framework de Interfaz de Pasarela de Servidor As\u00edncrono (ASGI). En versiones anteriores a la 2.22.0, un atacante puede omitir la validaci\u00f3n de hosts permitidos al omitir el encabezado Host y proporcionar un encabezado X-Forwarded-Host configurado a un dominio en la lista blanca. El AllowedHostsMiddleware conf\u00eda en el encabezado X-Forwarded-Host como respaldo cuando el encabezado Host est\u00e1 ausente. Dado que X-Forwarded-Host es un encabezado controlable por el cliente, esto permite ataques de inyecci\u00f3n de encabezado de host como envenenamiento de restablecimiento de contrase\u00f1a, envenenamiento de cach\u00e9 y manipulaci\u00f3n de enrutamiento de solicitudes del lado del servidor. Cualquier aplicaci\u00f3n que utilice AllowedHostsConfig se ve afectada cuando se despliega sin un proxy inverso que elimine X-Forwarded-Host, o cuando acepta conexiones HTTP/1.0. Este problema ha sido solucionado en la versi\u00f3n 2.22.0."}], "id": "CVE-2026-48061", "lastModified": "2026-10-23T21:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48061", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-04T13:33:39.144833Z", "version": "2.0.3"}}]}, "published": "2026-08-03T21:16:39.303", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/litestar-org/litestar/commit/6930a20ceb543912cd651b42deae5b9f3637a262"}, {"source": "security-advisories@github.com", "url": "https://github.com/litestar-org/litestar/security/advisories/GHSA-3qmc-cj7q-62hv"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/litestar-org/litestar/security/advisories/GHSA-3qmc-cj7q-62hv"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-644"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.22.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "litestar", "source": "cna", "vendor": "litestar-org"}, "product": "litestar", "vendor": "litestar-org"}], "created": "2026-08-03T22:30:02.780089+00:00", "updated": "2026-08-04T09:45:03.697348+00:00", "vendors": ["litestar-org", "litestar-org$PRODUCT$litestar"]}