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has there been a change to user auth flow for `atmos auth login`? Now I get a redirect to sign in in the browser rather than with my access keys

CleanShot 2026-05-21 at 14.39.10@2x.png

CleanShot 2026-05-21 at 14.38.04@2x.png

but it doesnt work on the atmos response
```x Authentication failed

   Authenticate Credential Chain

   Error: authentication failed: failed to authenticate via credential chain for identity "core-root": authentication failed: AWS user identity "core-root" authentication failed: failed to exchange authorization code for credentials: INVALID_REQUEST:  (HTTP 400, endpoint: <https://signin.aws.amazon.com/v1/token>)

   Error

   Error: authentication failed: identity=core-root: authentication failed: failed to authenticate via credential chain for identity "core-root": authentication failed: AWS user identity "core-root" authentication failed: failed to exchange authorization code for credentials: INVALID_REQUEST:  (HTTP 400, endpoint: <https://signin.aws.amazon.com/v1/token>)```

for IAM users, this is the default behavior if credentials are not configured

&gt; Now I get a redirect to sign in in the browser rather than with my access keys

I tried reconfiguring the user, but still get redirected to the URL rather than using keychain access keys

IAM users should use the Webflow login, unless you have AWS access keys and secret keys set for that profile and identity.

either way is fine by me, but I cant get either to work

I have access keys. can I disable webflow?

<https://atmos.tools/cli/configuration/auth/identities#user-break-glass>
*`credentials.webflow_enabled`*

sounds like maybe a bug then? if it's not finding creds without disabling webflow

yeah when I set version to 1.214 it worked again. but disabling webflow worked. my config was this:

```auth:
  identities:
    core-root:
      kind: aws/user
      credentials:
        region: us-east-1
        mfa_arn: "arn:aws:iam::12346:mfa/acme-superadmin-1password"```

Can could you try this? <https://github.com/cloudposse/atmos/pull/2470>