CVE-2026-53878 Header injection possibility since DomainNameValidator accepted newlines in input

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. DomainNameValidator does not prohibit newlines in domain names unless used via a form field, since CharField strips newlines. If an application uses values with newlines in an HTTP response, header injection can occur. Djan...

CVE-2026-53877

An issue was discovered in Django 6.0 before 6.0.7 and 5.2 before 5.2.16. django.contrib.gis.gdal.GDALRaster over-reads its in-memory buffer when constructed from a bytes object, which can disclose adjacent memory or cause service degradation via a potential segmentation fault when the vsibuffer...

PT-2026-56196

Name of the Vulnerable Software and Affected Versions Django versions 6.0 through 6.0.6 Django versions 5.2 through 5.2.15 Description An issue exists where django.contrib.gis.gdal.GDALRaster over-reads its in-memory buffer when constructed from a bytes object. This can lead to the disclosure of...

PT-2026-56195

Name of the Vulnerable Software and Affected Versions Django versions 6.0 through 6.0.6 Django versions 5.2 through 5.2.15 Description UpdateCacheMiddleware and the cache page decorator cache responses that vary on cookies when the incoming request contains unrelated cookies. This behavior allows...

OESA-2026-2661 python-django security update

A high-level Python Web framework that encourages rapid development and clean, pragmatic design. Security Fixes: An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header...

BIT-DJANGO-2026-8404 Potential exposure of private data via case-sensitive Cache-Control directives in UpdateCacheMiddleware

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not match Cache-Control response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their...

BIT-DJANGO-2026-48587 Potential exposure of private data via whitespace padding in Vary header

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.utils.cache.hasvaryheader 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...

BIT-DJANGO-2026-35193 Potential exposure of private data via missing Vary: Authorization in UpdateCacheMiddleware

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header for requests bearing that header without Cache-Control: public, which allows remote attackers to read private...

Python Library Django 5.2.x < 5.2.15 / 6.0.x < 6.0.6 Multiple Vulnerabilities

The detected version of the Django Python package is 5.2.x prior to 5.2.15 or 6.0.x prior to 6.0.6. It is, therefore, affected by multiple vulnerabilities, including: - django.middleware.cache.UpdateCacheMiddleware does not add Authorization to the Vary response header for requests bearing that...

arches (=8.0.0a1), avaintegration-metapackage (>=6.0.4.3 <=6.0.5.32) +47 more potentially affected by CVE-2026-35193 via django (>=6.0.0 <=6.0.5)

django PYPI version =6.0.0, =6.0.4.3, =2.0.0, =1.1.0, =0.1.0, =0.4.5 - django-ndr-core =0.70.2 - django-sb-simple-migrations =0.9.0 and more Source cves: CVE-2026-35193 Source advisory: SNYK:PYTHON-DJANGO-17151780...

arches (=8.0.0a1), avaintegration-metapackage (>=6.0.4.3 <=6.0.5.32) +47 more potentially affected by CVE-2026-48587 via django (>=6.0.0 <=6.0.5)

django PYPI version =6.0.0, =6.0.4.3, =2.0.0, =1.1.0, =0.1.0, =0.4.5 - django-ndr-core =0.70.2 - django-sb-simple-migrations =0.9.0 and more Source cves: CVE-2026-48587 Source advisory: SNYK:PYTHON-DJANGO-17151772...

Cleartext Transmission of Sensitive Information

Overview Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information in the EmailBackend function when a failed STARTTLS handshake occurs and failsilently=True is set. An attacker can intercept and read email content by performing a man-in-the-middle attack...

PYSEC-2026-201

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not match Cache-Control response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their...

CVE-2026-7666

An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15. django.core.mail.backends.smtp.EmailBackend in Django fails to prevent reuse of a partially-initialized connection after a failed STARTTLS handshake when failsilently=True, which allows on-path network attackers to read ema...

PYSEC-2026-199

An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15.django.http.HttpRequest.getsignedcookie in Django uses a non-injective salt derivation concatenating the cookie name and salt argument, which allows a remote attacker to use a cookie in a context different from the one where...

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.hasvaryheader 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...

CVE-2026-35193

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header for requests bearing that header without Cache-Control: public, which allows remote attackers to read private...

PYSEC-2026-197

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the Vary response header for requests bearing that header without Cache-Control: public, which allows remote attackers to read private...

CVE-2026-48587 Potential exposure of private data via whitespace padding in Vary header

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.utils.cache.hasvaryheader 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...

CVE-2026-48587

CVE-2026-48587 affects Django 5.2 before 5.2.15 and 6.0 before 6.0.6. The flaw in django.utils.cache.has_vary_header() does not strip leading/trailing whitespace from the Vary header before comparison, enabling remote attackers to read cached responses by requesting URLs whose responses contain w...