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CVE-2026-6907

Potential exposure of private data due to incorrect handling of Vary: * in UpdateCacheMiddleware PUBLISHED

Description (CNA)

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. `django.middleware.cache.UpdateCacheMiddleware` erroneously caches requests where the `Vary` header contained an asterisk (`'*'`). This can lead to private data being stored and served. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Ahmad Sadeddin for reporting this issue.

Affected (CNA)

Vendor / productVersions
djangoproject / Djangoaffected 6.0 before 6.0.5; unaffected 6.0.5; affected 5.2 before 5.2.14; unaffected 5.2.14

CWE

CWE-524

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.