CVE-2026-5766

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{"affected": [{"affectedData": [{"collectionURL": "https://pypi.org/project/Django/", "defaultStatus": "unaffected", "packageName": "django", "product": "Django", "repo": "https://github.com/django/django/", "vendor": "djangoproject", "versions": [{"lessThan": "6.0.5", "status": "affected", "version": "6.0", "versionType": "python"}, {"status": "unaffected", "version": "6.0.5", "versionType": "python"}, {"lessThan": "5.2.14", "status": "affected", "version": "5.2", "versionType": "python"}, {"status": "unaffected", "version": "5.2.14", "versionType": "python"}]}], "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "5AD5B44B-7569-458C-8F44-3021D9CC577C", "versionEndExcluding": "5.2.14", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*", "matchCriteriaId": "30ADB5F4-66B5-4015-BB55-CCB31106AB95", "versionEndExcluding": "6.0.5", "versionStartIncluding": "6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.\nASGI requests with a missing or understated `Content-Length` header can bypass the `FILE_UPLOAD_MAX_MEMORY_SIZE` limit, potentially loading large files into memory and causing service degradation.\r\n \r\nAs a reminder, Django expects a limit to be configured at the web server level rather than solely relying on `FILE_UPLOAD_MAX_MEMORY_SIZE`.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Kyle Agronick for reporting this issue."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en 6.0 anterior a 6.0.5 y 5.2 anterior a 5.2.14.\nLas solicitudes ASGI con un encabezado \u2019Content-Length\u2019 faltante o subestimado pueden eludir el l\u00edmite de \u2019FILE_UPLOAD_MAX_MEMORY_SIZE\u2019, cargando potencialmente archivos grandes en la memoria y causando degradaci\u00f3n del servicio.\n\nComo recordatorio, Django espera que se configure un l\u00edmite a nivel del servidor web en lugar de depender \u00fanicamente de \u2019FILE_UPLOAD_MAX_MEMORY_SIZE\u2019.\nSeries de Django anteriores y no compatibles (como 5.0.x, 4.1.x y 3.2.x) no fueron evaluadas y tambi\u00e9n pueden verse afectadas.\nDjango desea agradecer a Kyle Agronick por informar este problema."}], "id": "CVE-2026-5766", "lastModified": "2026-10-26T19:10:00.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "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:L", "version": "3.1"}, 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"modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5766", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-05T17:03:20.935294Z", "version": "2.0.3"}}]}, 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{}

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