GitHub Service Disruption Affects Issues, Pull Requests, and Multiple Services on January 15, 2026
By
aggrrrh
4mo ago· 2 min readenNews
55/100
Doughy
Bagelometer↗
Tries hard. Doesn't quite make it out of the oven in one piece.
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Summary
GitHub experienced a service disruption on January 15, 2026, from 16:40 to 18:20 UTC, affecting multiple services including Issues, Pull Requests, Notifications, Actions, Repositories, API, and Account Login. The incident caused increased latency and timeouts, with an average 1.8% of web and API requests failing, peaking at 10% early in the incident. Both authenticated and unauthenticated users were impacted, though unauthenticated users experienced more severe effects. The root cause was identified as an infrastructure update to some data stores.
Key quotes
· 4 pulledOn January 15, 2026, between 16:40 UTC and 18:20 UTC, we observed increased latency and timeouts across Issues, Pull Requests, Notifications, Actions, Repositories, API, Account Login and Alive.
An average 1.8% of combined web and API requests saw failure, peaking briefly at 10% early on.
The majority of impact was observed for unauthenticated users, but authenticated users were impacted as well.
This was caused by an infrastructure update to some of our data stores.
GitHub's Status Page - Incident with Issues and Pull Requests.
