Outage report · Major outage

Box outage on Jan 8, 2026

[Critical] Issues with Multiple Box Services

SeverityMajor outage

StartedJan 8, 2026, 01:39UTC

ResolvedJan 8, 2026, 02:37UTC

Duration58m

What happened

Box reported a major outage starting Jan 8, 2026, 01:39 UTC, affecting Content API, Login/SSO, Web Application, Content Preview, Uploads/Downloads, Authentication (OAuth 2.0 / JWT), Search, Uploads/Downloads and 9 more. It was marked resolved at Jan 8, 2026, 02:37 UTC.

The incident lasted 58m from first report to resolution.
Box had reported 2 other partial or major outages in the 90 days before it.
2 other vendors we track reported a significant incident within 12 hours of it.

Latest update from Box

We recently addressed issues affecting Box. We would like to take the opportunity to further explain these issues and the steps we have taken to keep them from happening in the future. ‌ On January 7th, 2026 between 5:10 PM and 5:50 PM PST, some customers experienced elevated errors and timeouts across multiple Box experiences, including Login, Uploads/Downloads, Box Notes, and the Public API. These issues were caused by a series of changes that triggered a request storm that overloaded our caching fleet. We resolved this by initially rate limiting background traffic and then rolling back the changes. ‌ **Analysis** On January 6th, a new feature was deployed that increased the utilization of one of our cache backends. That feature, in isolation, did not cause any problem. On January 7th, at 3:30 PM PST, another application change was rolled out that increased the traffic on the same system. Combined, these two changes significantly decreased our capacity buffer on some of our cac

Read Box's official incident report ↗