CVE-2025-59152

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{"affected": [{"affectedData": [{"product": "litestar", "vendor": "litestar-org", "versions": [{"status": "affected", "version": "= 2.17.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Litestar is an Asynchronous Server Gateway Interface (ASGI) framework. In version 2.17.0, rate limits can be completely bypassed by manipulating the X-Forwarded-For header. This renders IP-based rate limiting ineffective against determined attackers. Litestar's RateLimitMiddleware uses `cache_key_from_request()` to generate cache keys for rate limiting. When an X-Forwarded-For header is present, the middleware trusts it unconditionally and uses its value as part of the client identifier. Since clients can set arbitrary X-Forwarded-For values, each different spoofed IP creates a separate rate limit bucket. An attacker can rotate through different header values to avoid hitting any single bucket's limit. This affects any Litestar application using RateLimitMiddleware with default settings, which likely includes most applications that implement rate limiting. Version 2.18.0 contains a patch for the vulnerability."}, {"lang": "es", "value": "Litestar es un framework de Interfaz de Pasarela de Servidor As\u00edncrono (ASGI). En la versi\u00f3n 2.17.0, los l\u00edmites de tasa pueden ser completamente eludidos manipulando el encabezado X-Forwarded-For. Esto hace que la limitaci\u00f3n de tasa basada en IP sea ineficaz contra atacantes decididos. El RateLimitMiddleware de Litestar utiliza 'cache_key_from_request()' para generar claves de cach\u00e9 para la limitaci\u00f3n de tasa. Cuando un encabezado X-Forwarded-For est\u00e1 presente, el middleware lo conf\u00eda incondicionalmente y utiliza su valor como parte del identificador del cliente. Dado que los clientes pueden establecer valores X-Forwarded-For arbitrarios, cada IP falsificada diferente crea un cubo de l\u00edmite de tasa separado. Un atacante puede rotar a trav\u00e9s de diferentes valores de encabezado para evitar alcanzar el l\u00edmite de cualquier cubo individual. Esto afecta a cualquier aplicaci\u00f3n Litestar que utilice RateLimitMiddleware con la configuraci\u00f3n predeterminada, lo que probablemente incluye la mayor\u00eda de las aplicaciones que implementan la limitaci\u00f3n de tasa. La versi\u00f3n 2.18.0 contiene un parche para la vulnerabilidad."}], "id": "CVE-2025-59152", "lastModified": "2026-10-19T16:10:00.260", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-59152", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-06T15:35:23.714330Z", "version": "2.0.3"}}]}, "published": "2025-10-06T16:15:34.193", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/litestar-org/litestar/blob/26f20ac6c52de2b4bf81161f7560c8bb4af6f382/litestar/middleware/rate_limit.py#L127"}, {"source": "security-advisories@github.com", "url": "https://github.com/litestar-org/litestar/commit/42a89e043e50b515f8548a93954fe143f63cf9fb"}, {"source": "security-advisories@github.com", "url": "https://github.com/litestar-org/litestar/security/advisories/GHSA-hm36-ffrh-c77c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-807"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2025-10-08T13:39:02.526721+00:00", "updated": "2025-10-08T13:39:02.526748+00:00", "vendors": ["litestar-org", "litestar-org$PRODUCT$litestar"]}