Outage in Shelf
Investigating: SSO login failures across regions
Resolved MajorIncident Report
Starting at 14:38 UTC, we observed a spike in SSO authentication failures. Affected users may be unable to sign in and see "access_denied (Unauthorized)" after returning from their IdP. We are actively investigating with our identity provider. Next update within 30 minutes.
Components affected
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Latest Updates ( sorted recent to last )
RESOLVED
about 2 months ago - at 09/10/2025 04:35PM
SSO sign-ins have been restored. Between 14:38-16:27 UTC a configuration regression in our authentication layer caused the authorization code exchange to fail, resulting in "access_denied (Unauthorized)" after IdP login. We corrected the configuration and refreshed services; metrics show recovery across all regions.
INVESTIGATING
about 2 months ago - at 09/10/2025 04:06PM
Starting at 14:38 UTC, we observed a spike in SSO authentication failures. Affected users may be unable to sign in and see "access_denied (Unauthorized)" after returning from their IdP. We are actively investigating with our identity provider. Next update within 30 minutes.
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