SAML SSO requests failing

What to do

• Check whether you use Stytch Test API, Live API, Javascript SDK. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 0m it lasted.

  Anything that failed between 2025-10-20 16:29 UTC and 2025-10-20 16:29 UTC may need a replay.

• Subscribe to Stytch's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=stytch works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Stytch 1

1. resolvedOct 20, 2025, 4:29 PM UTC

   Type: Incident Duration: 1 hour and 12 minutes Affected Components: Test API, Live API, Javascript SDK Oct 21, 21:27:25 GMT+0 - Postmortem - **Issue** All SAML SSO Logins failed in the Stytch Platform. **Timeline** October 20th, 2025 16:30 - 18:01 UTC **Cause** A widespread outage in AWS created a knock-on effect that uncovered a latent certificate management issue within the Stytch SSO service. Other Stytch services, like the core Authentication API, responded appropriately in the face of downtime and continued to operate as expected. The result was that all SAML SSO login attempts during this incident returned an invalid certificate error and prevented users from logging in. **Remediation** Stytch updated the SSO service to handle certificate management so that it aligns with our other services that did not error. This reconfiguration will prevent this error from recurring in the event of AWS failure again in the future. Oct 20, 18:01:00 GMT+0 - Resolved - This incident has been resolved. Oct 20, 16:29:00 GMT+0 - Investigating - SAML SSO requests are currently failing as a downstream affect of the AWS outage. We're currently investigating ways to mitigate the issue.

   provider

Corrections

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