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Getting "403 Forbidden" Error When Logging into an APEX Application with SAML Authentication (Doc ID 2903779.1)

Last updated on OCTOBER 18, 2022

Applies to:

Oracle Application Express (APEX) - Version 22.1 and later
APEX Application Development - Version NA and later
Information in this document applies to any platform.


When attempting to login into an APEX application with SAML authentication, the following error message appears:

403 Forbidden
The request cannot be processed because this resource does not support Cross Origin Sharing requests, or the request Origin is not authorized to access this resource.
If ORDS is being reverse proxied ensure the front end server is propagating the host name, for mod_proxy ensure ProxyPreserveHost is set to On

The issue can be reproduced at will with the following steps:
1. Configure SAML authentication in the APEX application
2. Attempting to login into an APEX application




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