SSO login not working in iframe after chrome update SSO login not working in iframe after chrome update google-chrome google-chrome

SSO login not working in iframe after chrome update


google-chrome iframe single-sign-on

Root cause:

Certain cookies are set without the SameSite attribute.They must be been blocked, as newer version of Chrome now only delivers cookies with cross-site requests if they are set with SameSite=None and Secure

To validate this, you can set Chrome flag chrome://flags/#same-site-by-default-cookies as Disabled

Chrome flag toggle for 'same site by default' setting

Resolution:

  • Specify SameSite=None and Secure if the cookie should be sent in cross-site requests. This enables third-party use.
  • Specify SameSite=Strict or SameSite=Lax if the cookie should not be sent in cross-site requests

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