Okta warns of concurrency risks in multi-tab single-page applications

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Okta's authentication library for single-page applications faces concurrency issues when multiple browser tabs are open. Each tab runs its own OktaAuth instance, leading to uncoordinated token renewal and potential login conflicts. These problems can cause authentication errors, such as invalid grant responses or unexpected user logouts. Developers are advised to implement coordination mechanisms, like the Web Locks API, to manage token renewal across tabs.

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