Semaphore CI: Periodic authentication failure with GitHub repositories

Semaphore CI · semaphoreci.comImpact: minorResolved2026-09-02 14:19 UTC

Public — what happened

Summary

There was a wider situation impacting HTTPS operations, which also affected Semaphore and our users https://github.com/orgs/community/discussions/206581 The issue has since appeared to subside, but we're continuing to monitor the situation on our end.

Timeline

Started — 2026-09-02 11:17 UTC
Last update — 2026-09-02 14:19 UTC
Resolved — 2026-09-02 15:18 UTC

Source of record: provider status page. Mirrored as reported; times in UTC.

With SquidGrid — where it starts on the route

Independent path health

The status page is the symptom. SquidGrid measures the paths that reach Semaphore CI against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.

🔒 Sign in to see

Customers get the live Provider Assessment Report for Semaphore CI: its full incident track record, what tends to break, and recent public reports of problems.

Included with any paid plan.

Open the Semaphore CI report →

Related: Semaphore CI status & history. SquidGrid is not affiliated with Semaphore CI.