{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-113593", "assignerOrgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "state": "PUBLISHED", "assignerShortName": "DSF", "dateReserved": "2026-10-20T11:47:38.571Z", "datePublished": "2026-11-03T15:42:34.362Z", "dateUpdated": "2026-11-03T15:42:34.362Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "shortName": "DSF", "dateUpdated": "2026-11-03T15:42:34.362Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-524", "description": "CWE-524: Use of Cache Containing Sensitive Information", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-204", "descriptions": [{"lang": "en", "value": "CAPEC-204: Lifting Sensitive Data Embedded in Cache"}]}], "title": "Potential exposure of private data via empty and missing Vary headers", "metrics": [{"other": {"content": {"value": "low", "namespace": "https://docs.djangoproject.com/en/dev/internals/security/#security-issue-severity-levels"}, "type": "Django severity rating"}}, {"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 3.1, "baseSeverity": "LOW"}}, {"cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "baseScore": 2.3, "baseSeverity": "LOW"}}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Django 6.1 before 6.1.3, 6.0 before 6.0.10, and 5.2 before 5.2.19.\nThe `django.middleware.cache.UpdateCacheMiddleware` and the `django.views.decorators.cache.cache_page()` decorator generate identical cache keys for requests that omit a header listed in the response\u2019s `Vary` header and requests that include that header with an empty value, potentially allowing remote attackers to access private data cached for another request.\nEarlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected.\nDjango would like to thank Andrew Gonzalez for reporting this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An issue was discovered in Django 6.1 before 6.1.3, 6.0 before 6.0.10, and 5.2 before 5.2.19.</p><p>The <code>django.middleware.cache.UpdateCacheMiddleware</code> and the <code>django.views.decorators.cache.cache_page()</code> decorator generate identical cache keys for requests that omit a header listed in the response\u2019s <code>Vary</code> header and requests that include that header with an empty value, potentially allowing remote attackers to access private data cached for another request.</p><p>Earlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected.</p><p>Django would like to thank Andrew Gonzalez 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": "6.1", "lessThan": "6.1.3", "versionType": "python"}, {"status": "unaffected", "version": "6.1.3", "versionType": "python"}, {"status": "affected", "version": "6.0", "lessThan": "6.0.10", "versionType": "python"}, {"status": "unaffected", "version": "6.0.10", "versionType": "python"}, {"status": "affected", "version": "5.2", "lessThan": "5.2.19", "versionType": "python"}, {"status": "unaffected", "version": "5.2.19", "versionType": "python"}]}], "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"]}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/c0b7e5e4e4546e8ddc58262f1945938bb9d9ac2d"}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/55e2e009b4f3996e5c55af7b22a8c41eb826e892"}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/2006a2b068766bf332f1afcc32b7614d8e5759a2"}, {"tags": ["patch"], "url": "https://github.com/django/django/commit/9007fecd3633cfd90b093ebe106af564347c8aee"}, {"url": "https://www.djangoproject.com/weblog/2026/nov/03/security-releases/", "name": "Django security releases issued: 6.1.3, 6.0.10, and 5.2.19", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "type": "reporter", "value": "Andrew Gonzalez"}, {"lang": "en", "type": "remediation developer", "value": "Andrew Gonzalez"}, {"lang": "en", "type": "remediation developer", "value": "Jake Howard"}, {"lang": "en", "type": "remediation reviewer", "value": "Sarah Boyce"}, {"lang": "en", "type": "coordinator", "value": "Jacob Walls"}], "timeline": [{"lang": "en", "time": "2026-09-26T12:00:00.000Z", "value": "Initial report received."}, {"lang": "en", "time": "2026-10-08T12:00:00.000Z", "value": "Vulnerability confirmed."}, {"lang": "en", "time": "2026-11-03T09:30:00.000Z", "value": "Security release issued."}], "datePublic": "2026-11-03T09:30:00.000Z", "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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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": "6.1.3", "status": "affected", "version": "6.1", "versionType": "python"}, {"status": "unaffected", "version": "6.1.3", "versionType": "python"}, {"lessThan": "6.0.10", "status": "affected", "version": "6.0", "versionType": "python"}, {"status": "unaffected", "version": "6.0.10", "versionType": "python"}, {"lessThan": "5.2.19", "status": "affected", "version": "5.2", "versionType": "python"}, {"status": "unaffected", "version": "5.2.19", "versionType": "python"}]}], "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Django 6.1 before 6.1.3, 6.0 before 6.0.10, and 5.2 before 5.2.19.\nThe `django.middleware.cache.UpdateCacheMiddleware` and the `django.views.decorators.cache.cache_page()` decorator generate identical cache keys for requests that omit a header listed in the response\u2019s `Vary` header and requests that include that header with an empty value, potentially allowing remote attackers to access private data cached for another request.\nEarlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected.\nDjango would like to thank Andrew Gonzalez for reporting this issue."}], "id": "CVE-2026-113593", "lastModified": "2026-11-03T16:17:19.330", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/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": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}]}, "published": "2026-11-03T16:17:19.183", "references": [{"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://docs.djangoproject.com/en/dev/releases/security/"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://github.com/django/django/commit/2006a2b068766bf332f1afcc32b7614d8e5759a2"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://github.com/django/django/commit/55e2e009b4f3996e5c55af7b22a8c41eb826e892"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://github.com/django/django/commit/9007fecd3633cfd90b093ebe106af564347c8aee"}, {"source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "url": "https://github.com/django/django/commit/c0b7e5e4e4546e8ddc58262f1945938bb9d9ac2d"}, {"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/nov/03/security-releases/"}], "sourceIdentifier": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-524"}], "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}]}

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