{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33034", "assignerOrgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "state": "PUBLISHED", "assignerShortName": "DSF", "dateReserved": "2026-03-17T17:36:23.992Z", "datePublished": "2026-04-07T14:22:59.942Z", "dateUpdated": "2026-04-07T20:44:01.819Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "shortName": "DSF", "dateUpdated": "2026-04-07T14:22:59.942Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-770", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130: Excessive Allocation"}]}], "title": "Potential denial-of-service vulnerability in ASGI requests via memory upload limit bypass", "metrics": [{"other": {"content": {"value": "low", "namespace": "https://docs.djangoproject.com/en/dev/internals/security/#security-issue-severity-levels"}, "type": "Django severity rating"}}], "descriptions": [{"lang": "en", "value": "An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.\nASGI requests with a missing or understated `Content-Length` header could\r\nbypass the `DATA_UPLOAD_MAX_MEMORY_SIZE` limit when reading\r\n`HttpRequest.body`, allowing remote attackers to load an unbounded request body into\r\nmemory.\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 Superior for reporting this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.</p><p>ASGI requests with a missing or understated `Content-Length` header could</p><p>bypass the `DATA_UPLOAD_MAX_MEMORY_SIZE` limit when reading</p><p>`HttpRequest.body`, allowing remote attackers to load an unbounded request body into</p><p>memory.</p><p>Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.</p><p>Django would like to thank Superior for reporting this issue.</p>"}]}], "affected": [{"collectionURL": "https://pypi.org/project/Django/", "defaultStatus": "unaffected", "packageName": "django", "product": "Django", "repo": "https://github.com/django/django/", "vendor": "djangoproject", "versions": [{"status": "affected", "version": "6.0", "lessThan": "6.0.4", "versionType": "semver"}, {"status": "unaffected", "version": "6.0.4", "versionType": "semver"}, {"status": "affected", "version": "5.2", "lessThan": "5.2.13", "versionType": "semver"}, {"status": "unaffected", "version": "5.2.13", "versionType": "semver"}, {"status": "affected", "version": "4.2", "lessThan": "4.2.30", "versionType": "semver"}, {"status": "unaffected", "version": "4.2.30", "versionType": "semver"}]}], "references": [{"url": "https://docs.djangoproject.com/en/dev/releases/security/", "name": "Django security archive", "tags": ["vendor-advisory"]}, {"url": "https://groups.google.com/g/django-announce", "name": "Django releases announcements", "tags": ["mailing-list"]}, {"url": "https://www.djangoproject.com/weblog/2026/apr/07/security-releases/", "name": "Django security releases issued: 6.0.4, 5.2.13, and 4.2.30", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "type": "reporter", "value": "Superior"}, {"lang": "en", "type": "remediation developer", "value": "Natalia Bidart"}, {"lang": "en", "type": "coordinator", "value": "Jacob Walls"}], "timeline": [{"lang": "en", "time": "2026-02-24T12:00:00.000Z", "value": "Initial report received."}, {"lang": "en", "time": "2026-03-17T12:00:00.000Z", "value": "Vulnerability confirmed."}, {"lang": "en", "time": "2026-04-07T09:00:00.000Z", "value": "Security release issued."}], "datePublic": "2026-04-07T09:00:00.000Z", "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-07T20:43:43.119514Z", "id": "CVE-2026-33034", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-07T20:44:01.819Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30.\nASGI requests with a missing or understated `Content-Length` header could\r\nbypass the `DATA_UPLOAD_MAX_MEMORY_SIZE` limit when reading\r\n`HttpRequest.body`, allowing remote attackers to load an unbounded request body into\r\nmemory.\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 Superior for reporting this issue."}], "id": "CVE-2026-33034", "lastModified": "2026-04-08T21:27:15.610", "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-04-07T15:17:39.393", "references": [{"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://docs.djangoproject.com/en/dev/releases/security/"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://groups.google.com/g/django-announce"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://www.djangoproject.com/weblog/2026/apr/07/security-releases/"}], "sourceIdentifier": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}]}

{"bugzilla": {"description": "Django: Django: Denial of Service via missing or understated Content-Length header in ASGI requests", "id": "2455927", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2455927"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-130", "details": ["A flaw was found in Django. A remote attacker can exploit this vulnerability by sending ASGI (Asynchronous Server Gateway Interface) requests with a missing or understated `Content-Length` header. This allows the attacker to bypass the `DATA_UPLOAD_MAX_MEMORY_SIZE` limit, leading to an unbounded request body being loaded into memory. This can result in a Denial of Service (DoS) condition, making the application unavailable to legitimate users."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-33034", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "automation-controller", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/automation-reports", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/eda-controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/gateway-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/hub-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/lightspeed-rhel8", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/lightspeed-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/metrics-service-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:discovery:2::el9", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/discovery-server", "product_name": "Red Hat Discovery 2"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "redhat-user-workloads/iop-advisor-backend-sat-6-18", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-04-07T14:22:59Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-33034\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-33034\nhttps://docs.djangoproject.com/en/dev/releases/security/\nhttps://github.com/django/django/commit/953c238058c0ce387a1a41cb491bfc1875d73ad0\nhttps://groups.google.com/g/django-announce\nhttps://www.djangoproject.com/weblog/2026/apr/07/security-releases/"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0,6.0.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "6.0.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.2,5.2.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "5.2.13"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.2,4.2.30)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "4.2.30"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Django", "source": "cna", "vendor": "djangoproject"}, "product": "django", "vendor": "djangoproject"}], "analysis": {"en": {"generated_at": "2026-04-08T02:25:59.526988+00:00", "value": {"mitigation_remediation": ["Upgrade to Django 6.0.4 or newer, or 5.2.13 or newer, or 4.2.30 or newer, which contain the patch."], "summary": {"action": "Patch Now", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "All Django releases earlier than 6.0.4, 5.2.13, and 4.2.30 are affected by this bypass. The description also notes that still\u2011unsupported series such as 5.0.x, 4.1.x, and 3.2.x were not formally evaluated, and administrators should verify whether any of those older versions are in use.", "description_and_impact": "ASGI requests that omit or underestimate the Content-Length header allow a remote attacker to bypass Django's DATA_UPLOAD_MAX_MEMORY_SIZE limit when reading the request body. The framework then stores the entire payload in memory before processing, potentially exhausting available memory resources. This flaw is classified as a resource exhaustion weakness (CWE-770) and involves improper handling of input length parameters (CWE-130).", "risk_and_exploitability": "The CVSS score of 7.5 signals high severity. Though the EPSS score is unavailable and the vulnerability is not currently listed in the CISA KEV catalog, the presence of a direct path for a remote attacker to submit an arbitrarily large request body makes exploitation likely in environments where the ASGI interface is exposed without additional safeguards. Successful exploitation would consume server memory, potentially causing the application to crash or degrade service for legitimate users."}}}}, "created": "2026-04-08T19:37:32.963398+00:00", "updated": "2026-04-08T19:49:01.400796+00:00", "vendors": ["djangoproject", "djangoproject$PRODUCT$django"]}