CVE-2026-48588 | An issue was discovered in Django 6.0 before 6.0.7 and 5.2 b… | CVSS 4.2 MEDIUM

Description

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. `UpdateCacheMiddleware` and the `cache_page()` decorator cache responses that vary on cookies when the incoming request carries unrelated cookies, which allows remote attackers to read private data from the shared cache. 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 Chris Whyland for reporting this issue.

Metadata

CVE ID: CVE-2026-48588
State: PUBLISHED
Assigner: DSF
Reserved: 2026-05-21 20:50 UTC
Published: 2026-07-07 14:09 UTC
Last updated: 2026-07-07 14:59 UTC
Primary CWE: CWE-524
CWE-524: Use of Cache Containing Sensitive Information
Vendor / Product: djangoproject / Django
Sources: cve.org · NVD

Severity & Metrics

4.2 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
djangoproject	Django	—	6.0 < 6.0.7, 6.0.7, 5.2 < 5.2.16, 5.2.16

Weakness (CWE)

CWE	Source	Description
CWE-524	cna	CWE-524: Use of Cache Containing Sensitive Information

CVSS scores (2)

Score	Severity	Version	Source	Vector
4.2	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
2.3	LOW	4.0	cna	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

References (3)

Django security archive https://docs.djangoproject.com/en/dev/releases/security/
Django releases announcements https://groups.google.com/g/django-announce
Django security releases issued: 6.0.7 and 5.2.16 https://www.djangoproject.com/weblog/2026/jul/07/security-releases/