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DRAFT KB-XXXX Embedded Interfaces behave unexpectedly in Google Chrome version 80 and above

Purpose

The purpose of this article is inform users of an upcoming change to Google Chrome in version 80 that may cause issues with authentication in embedded interfaces. The currently set release date for Google Chrome version 80 is February 4th.

Expected Symptoms

After upgrading to Google Chrome version 80, embedded interfaces within Appian may experience authentication issues such as HTTP 401 unauthorized errors or constant need for re-authentication.

To preemptively determine how a specific embedded interface implementation may be affected prior Google Chrome version 80 release, users can test with Google Chrome Canary, Google Chrome's nightly and most recent build.

Cause

In Google Chrome version 80, browser cookies for attribute 'SameSite' are treated as 'SameSite=Lax' by default if no SameSite attribute is specified. For more details about Google Chrome's implementation of this change, please see the Google Chrome Status page for this feature.

Appian is aware of this change and is working to make updates to resolve any issues as a result of it. The reference number for this issue is AN-142514.

Action

Apply the latest hotfix once available.

Workaround

Use an Appian supported Web Browser other than Google Chrome.

Affected Versions

This article applies to all versions of Appian using Google Chrome version 80 and above as the Web Browser.

Last Reviewed: January 2020