Changes / Semgrep / Logins are failing for users via GitHub auth
Semgrep: Major incident: Logins are failing for users via GitHub auth
Summary
Semgrep reported a major outage affecting GitHub-auth logins starting 2026-05-20 17:34 UTC; SSO logins were unaffected. A fix was rolled out at 17:49 UTC, restoring logins, and the incident was resolved at 2026-05-20 18:18 UTC after 44 min.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: Logins are failing for users via GitHub auth
Before: not present
After: major
Before: not present
After: resolved
Before: not present
After: 2026-05-20 17:34 UTC
Before: not present
After: 2026-05-20 18:18 UTC
Before: not present
After: Login/SSO, semgrep.dev - Login/SSO
Before: not present
After: We are currently observing login issues using GitHub auth. Our team has identified the issue and is currently working on a fix. SSO logins are working as expected and are not impacted.
Before: not present
After: We have rolled out a fix, and logins are now working as expected. We are closely monitoring to ensure continued stability.
Before: not present
After: This incident has been resolved.
Before: not present
After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Major incident: Logins are failing for users via GitHub auth (this change) Semgrep reported a major outage affecting GitHub-auth logins starting 2026-05-20 17:34 UTC; SSO logins were unaffected. A fix was rolled out at 17:49 UTC, restoring logins, and the incident was resolved at 2026-05-20 18:18 UTC after 44 min. | Major incident |