CVE Watch21 jul 2026

CVE-2026-48587

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. `django.utils.cache.has_vary_header()` in Django does not strip le

CVSS

3.1

Bajo

EPSS

0.4%

p29

KEV

—

Exploit Today

0-100

Publicado: 3 jun 2026 · Última mod.: 21 jul 2026 · CWE-1023

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-07-302026-08-26

Descripción técnica

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. `django.utils.cache.has_vary_header()` in Django does not strip leading or trailing whitespace from `Vary` response header values before comparison, which allows remote attackers to read cached responses via requests to URLs whose responses contain whitespace-padded Vary header values. 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 Navid Rezazadeh for reporting this issue.

Referencias oficiales

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