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marcuswelby's avatar
marcuswelby
Copper Contributor
Sep 21, 2023

Teams Personal Tab app sending cookies

I have a personal tab app that's a legacy app we want to use in Teams while we create a more "Teams Friendly" version. It's a Java application that uses HTTP Session to store user data. The server se...
microsoft teams
  • marcuswelby's avatar
    marcuswelby
    Sep 28, 2023
    Using samesite=none;secure on the cookies seems to work in Teams/Edge but not in Firefox. I think related to the fact the tab app is in an iframe and any cookies are considered 3rd party since different domain of iframe than parent.
Prasad_Das-MSFT's avatar
Prasad_Das-MSFT
Icon for Microsoft rankMicrosoft

marcuswelby - Got it. We will check this with engineering team internally and will update you accordingly. Thanks!

marcuswelby's avatar
marcuswelby
Copper Contributor
Sep 28, 2023
Using samesite=none;secure on the cookies seems to work in Teams/Edge but not in Firefox. I think related to the fact the tab app is in an iframe and any cookies are considered 3rd party since different domain of iframe than parent.

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