{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6907", "assignerOrgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "state": "PUBLISHED", "assignerShortName": "DSF", "dateReserved": "2026-04-23T11:19:30.877Z", "datePublished": "2026-05-05T14:50:02.594Z", "dateUpdated": "2026-05-05T14:50:02.594Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "shortName": "DSF", "dateUpdated": "2026-05-05T14:50:02.594Z"}, "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 due to incorrect handling of Vary: * in UpdateCacheMiddleware", "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:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}, {"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 6.0 before 6.0.5 and 5.2 before 5.2.14.\n`django.middleware.cache.UpdateCacheMiddleware` erroneously caches requests where the `Vary` header contained an asterisk (`'*'`). This can lead to private data being stored and served.\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 Ahmad Sadeddin for reporting this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.</p><p>`django.middleware.cache.UpdateCacheMiddleware` erroneously caches requests where the `Vary` header contained an asterisk (`&#x27;*&#x27;`). This can lead to private data being stored and served.</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 Ahmad Sadeddin 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": "6.0.5", "versionType": "python"}, {"status": "unaffected", "version": "6.0.5", "versionType": "python"}, {"status": "affected", "version": "5.2", "lessThan": "5.2.14", "versionType": "python"}, {"status": "unaffected", "version": "5.2.14", "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"]}, {"url": "https://www.djangoproject.com/weblog/2026/may/05/security-releases/", "name": "Django security releases issued: 6.0.5 and 5.2.14", "tags": ["vendor-advisory"]}], "credits": [{"lang": "en", "type": "reporter", "value": "Ahmad Sadeddin"}, {"lang": "en", "type": "remediation developer", "value": "Sarah Boyce"}, {"lang": "en", "type": "coordinator", "value": "Sarah Boyce"}], "timeline": [{"lang": "en", "time": "2026-03-06T10:17:03.000Z", "value": "Initial report received."}, {"lang": "en", "time": "2026-04-23T10:17:26.000Z", "value": "Vulnerability confirmed."}, {"lang": "en", "time": "2026-05-05T09:00:00.000Z", "value": "Security release issued."}], "datePublic": "2026-05-05T09:00:00.000Z", "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14.\n`django.middleware.cache.UpdateCacheMiddleware` erroneously caches requests where the `Vary` header contained an asterisk (`'*'`). This can lead to private data being stored and served.\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 Ahmad Sadeddin for reporting this issue."}], "id": "CVE-2026-6907", "lastModified": "2026-05-05T19:34:40.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "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": "2026-05-05T16:16:18.227", "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/may/05/security-releases/"}], "sourceIdentifier": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-524"}], "source": "6a34fbeb-21d4-45e7-8e0a-62b95bc12c92", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[6.0,6.0.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "6.0.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.2,5.2.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "5.2.14"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Django", "source": "cna", "vendor": "djangoproject"}, "product": "django", "vendor": "djangoproject"}], "created": "2026-05-05T17:45:06.155250+00:00", "updated": "2026-05-05T18:00:12.710934+00:00", "vendors": ["djangoproject", "djangoproject$PRODUCT$django"]}