What is CVE-2026-6907?

CVE-2026-6907 is a medium-severity vulnerability in Djangoproject Django, classified under Use of Cache Containing Sensitive Information. CVSS score: 4.3/10. Published 2026-05-05.

How severe is CVE-2026-6907?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Djangoproject Django

CVE-2026-6907

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 store…

EPSS: 0.000 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Djangoproject Django — versions 6.0, 6.0.5, 5.2

Weakness classification (CWE)

CWE-524 — Use of Cache Containing Sensitive Information

References

Django security archive (vendor-advisory, Vendor Advisory)
Django releases announcements (mailing-list, Third Party Advisory)
Django security releases issued: 6.0.5 and 5.2.14 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-6907?: CVE-2026-6907 is a medium-severity vulnerability in Djangoproject Django, classified under Use of Cache Containing Sensitive Information. CVSS score: 4.3/10. Published 2026-05-05.
How severe is CVE-2026-6907?: Medium severity. CVSS v3 base score is 4.3 out of 10.