OESA-2026-2660 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-2026-7666 Potential unencrypted email transmission via STARTTLS in the SMTP backend

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...

SUSE 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...

CVE-2026-8404

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-2026-6873

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 wher...

Linux Distros Unpatched Vulnerability : CVE-2026-48587

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 whitespa...

PT-2026-45938

Name of the Vulnerable Software and Affected Versions Django versions prior to 5.2.15 Django versions prior to 6.0.6 Description An issue exists in django.middleware.cache.UpdateCacheMiddleware where the Authorization header is not added to the Vary response header for requests that include that...

BIT-DJANGO-2026-35192 Session fixation via public cached pages and SESSION_SAVE_EVERY_REQUEST

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. Response headers do not vary on cookies if a session is not modified, but SESSIONSAVEEVERYREQUEST is True. A remote attacker can steal a user's session after that user visits a cached public page. Earlier, unsupported Django serie...

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 stored and served. Earlier, unsupported Django series such as 5.0.x,...

PYSEC-2026-55

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,...

PYSEC-2026-54

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. ASGI requests with a missing or understated Content-Length header can bypass the FILEUPLOADMAXMEMORYSIZE limit, potentially loading large files into memory and causing service degradation. As a reminder, Django expects a limit to ...

PT-2026-37077

Name of the Vulnerable Software and Affected Versions Django versions 6.0 through 6.0.4 Django versions 5.2 through 5.2.13 Description ASGI requests with a missing or understated Content-Length header can bypass the FILE UPLOAD MAX MEMORY SIZE limit. This allows large files to be loaded into...

PT-2026-37060

Name of the Vulnerable Software and Affected Versions Django versions 6.0 through 6.0.4 Django versions 5.2 through 5.2.13 Description When SESSION SAVE EVERY REQUEST is set to True, response headers do not vary based on cookies if a session remains unmodified. This allows a remote attacker to...

arches (=8.0.0a1), desktop-django-starter (=0.1.0) +33 more potentially affected by CVE-2026-3902 via django (>=6.0.0 <=6.0.3)

django PYPI version =6.0.0, =2.0.0, =1.1.0, =0.1.0, =0.1.0b2, =0.2.0b1 and more Source cves: CVE-2026-3902 Source advisory: OSV:GHSA-MVFQ-GGXM-9MC5...

GHSA-933H-HP56-HF7M Django: SGI requests with a missing or understated `Content-Length` header could bypass the `DATA_UPLOAD_MAX_MEMORY_SIZE` limit

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATAUPLOADMAXMEMORYSIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into...

PYSEC-2026-51

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGIRequest allows a remote attacker to spoof headers by exploiting an ambiguous mapping of two header variants with hyphens or with underscores to a single version with underscores. Earlier, unsupported Django...

CVE-2026-33033

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. MultiPartParser allows remote attackers to degrade performance by submitting multipart uploads with Content-Transfer-Encoding: base64 including excessive whitespace. Earlier, unsupported Django series such as...

UBUNTU-CVE-2026-33034

An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. ASGI requests with a missing or understated Content-Length header could bypass the DATAUPLOADMAXMEMORYSIZE limit when reading HttpRequest.body, allowing remote attackers to load an unbounded request body into...

BIT-DJANGO-2026-25674 Potential incorrect permissions on newly created file system objects

An issue was discovered in 6.0 before 6.0.3, 5.2 before 5.2.12, and 4.2 before 4.2.29. Race condition in file-system storage and file-based cache backends in Django allows an attacker to cause file system objects to be created with incorrect permissions via concurrent requests, where one thread's...

BIT-DJANGO-2026-1287 Potential SQL injection in column aliases via control characters

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. FilteredRelation is subject to SQL injection in column aliases via control characters, using a suitably crafted dictionary, with dictionary expansion, as the kwargs passed to QuerySet methods annotate, aggregat...