GitHub incident

Some SSH connections using deploy keys are failing

Critical Resolved View vendor source →

GitHub experienced a critical incident on July 21, 2026, lasting 1h 25m. The incident has been resolved; the full update timeline is below.

Started
Jul 21, 2026, 10:31 AM UTC
Resolved
Jul 21, 2026, 11:57 AM UTC
Duration
1h 25m
Detected by Pingoru
Jul 21, 2026, 10:31 AM UTC

Update timeline

  1. investigating Jul 21, 2026, 10:31 AM UTC

    We are investigating reports of impacted performance for some GitHub services.

  2. investigating Jul 21, 2026, 11:04 AM UTC

    We are investigating reports of intermittent SSH authentication failures affecting connections that use deploy keys. Customers may experience failed SSH connections when interacting with repositories via deploy keys. Our engineering team is actively investigating the root cause and working toward resolution.

  3. investigating Jul 21, 2026, 11:46 AM UTC

    We have identified a recent code change as a potential cause of the SSH authentication failures affecting deploy key connections. Our engineering team is rolling back this change. Customers using deploy keys for SSH access to repositories may continue to experience intermittent connection failures until the fix is deployed.

  4. resolved Jul 21, 2026, 11:57 AM UTC

    This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.