diff --git a/app/core/settings.py b/app/core/settings.py
index 278319c..4d1d3ed 100644
--- a/app/core/settings.py
+++ b/app/core/settings.py
@@ -120,6 +120,10 @@ GRAMPS_STIFTER_IDS = os.environ.get("GRAMPS_STIFTER_IDS", "")  # comma-separated
 GRAMPS_USERNAME = os.environ.get("GRAMPS_USERNAME", "")
 GRAMPS_PASSWORD = os.environ.get("GRAMPS_PASSWORD", "")
 
+# Session Configuration
+SESSION_COOKIE_NAME = os.environ.get("SESSION_COOKIE_NAME", "stiftung_sessionid")
+CSRF_COOKIE_NAME = os.environ.get("CSRF_COOKIE_NAME", "stiftung_csrftoken")
+
 # HTTPS Security Settings (production)
 if not DEBUG:
     SECURE_SSL_REDIRECT = True
diff --git a/compose.dev.yml b/compose.dev.yml
index bebced6..7c4b54f 100644
--- a/compose.dev.yml
+++ b/compose.dev.yml
@@ -39,6 +39,8 @@ services:
       - LANGUAGE_CODE=de
       - TIME_ZONE=Europe/Berlin
       - REDIS_URL=redis://redis:6379/0
+      - SESSION_COOKIE_NAME=stiftung_sessionid
+      - CSRF_COOKIE_NAME=stiftung_csrftoken
       - PAPERLESS_API_URL=http://paperless:8000
       - PAPERLESS_API_TOKEN=d477152aca264ea00620910ac09a06f0a4faaecc
       - PAPERLESS_REQUIRED_TAG=Stiftung_Destinatäre
diff --git a/compose.yml b/compose.yml
index 81df2a6..7cdec98 100644
--- a/compose.yml
+++ b/compose.yml
@@ -43,6 +43,8 @@ services:
       - LANGUAGE_CODE=${LANGUAGE_CODE}
       - TIME_ZONE=${TIME_ZONE}
       - REDIS_URL=${REDIS_URL}
+      - SESSION_COOKIE_NAME=${SESSION_COOKIE_NAME}
+      - CSRF_COOKIE_NAME=${CSRF_COOKIE_NAME}
       - PAPERLESS_API_URL=${PAPERLESS_API_URL}
       - PAPERLESS_API_TOKEN=${PAPERLESS_API_TOKEN}
       - PAPERLESS_REQUIRED_TAG=${PAPERLESS_REQUIRED_TAG}
diff --git a/env-production.template b/env-production.template
index 32b99c2..087a379 100644
--- a/env-production.template
+++ b/env-production.template
@@ -28,6 +28,10 @@ DJANGO_ALLOWED_HOSTS=www.vhtv-stiftung.de,vhtv-stiftung.de
 LANGUAGE_CODE=de-de
 TIME_ZONE=Europe/Berlin
 
+# SESSION CONFIGURATION (prevents conflicts between apps)
+SESSION_COOKIE_NAME=stiftung_sessionid
+CSRF_COOKIE_NAME=stiftung_csrftoken
+
 # REDIS CONFIGURATION
 REDIS_URL=redis://redis:6379/0
 
diff --git a/env-template.txt b/env-template.txt
index f00bc72..9cfff8c 100644
--- a/env-template.txt
+++ b/env-template.txt
@@ -17,6 +17,10 @@ DJANGO_ALLOWED_HOSTS=localhost,127.0.0.1
 LANGUAGE_CODE=de
 TIME_ZONE=Europe/Berlin
 
+# Session Configuration (prevents conflicts between apps)
+SESSION_COOKIE_NAME=stiftung_sessionid
+CSRF_COOKIE_NAME=stiftung_csrftoken
+
 # Redis Configuration
 REDIS_URL=redis://redis:6379/0
 
diff --git a/paperless/paperless_custom_settings.py b/paperless/paperless_custom_settings.py
new file mode 100644
index 0000000..750de13
--- /dev/null
+++ b/paperless/paperless_custom_settings.py
@@ -0,0 +1,18 @@
+# Paperless NGX session isolation configuration
+# This file overrides default session settings to prevent conflicts with other Django apps
+
+import os
+from paperless.settings import *
+
+# Override session cookie name to prevent conflicts with main Django app
+SESSION_COOKIE_NAME = 'paperless_sessionid'
+
+# Also change CSRF cookie name for good measure
+CSRF_COOKIE_NAME = 'paperless_csrftoken'
+
+# Ensure cookies are scoped to avoid conflicts
+SESSION_COOKIE_PATH = '/'
+CSRF_COOKIE_PATH = '/'
+
+# Different secret key salt to ensure session isolation
+SESSION_COOKIE_SALT = 'paperless.sessions'
\ No newline at end of file