CS50 Status

All Systems Operational

This is CS50's status page, which summarizes which of CS50's services are currently operational. If some service appears to be operational below, but you think that there is, in fact, an outage, please email sysadmins@cs50.harvard.edu with specific details!

For help with any of CS50's assignments, problem sets, or projects, best to post in any of CS50's communities!

api.cs50.io Operational

cdn.cs50.net Operational

certificates.cs50.io Operational

check50 Operational

cli50 Operational

cs50.ai Operational

cs50.courses Operational

cs50.dev Operational

cs50.edx.org Operational

cs50.harvard.edu Operational

cs50.readthedocs.io Operational

cs50.ly Operational

cs50.me Operational

cs50.yale.edu Operational

forms.cs50.io Operational

harvard.cs50.me Operational

help50 Operational

id.cs50.io Operational

manual.cs50.io Operational

render.cs50.io Operational

render50 Operational

style50 Operational

submit.cs50.io Operational

submit50 Operational

time.cs50.io Operational

vault.cs50.io Operational

video.cs50.io Operational

and third-party services... Operational

Auth0 Management API Operational

Auth0 User Authentication Operational

AWS EC2 (us-east-1) Operational

AWS EC2 (us-west-2) Operational

AWS ELB (us-east-1) Operational

AWS Lambda (us-east-1) Operational

AWS RDS (us-east-1) Operational

Cloud 9 (us-west-2) Operational

edX Operational

GitHub Actions Operational

GitHub API Requests Operational

GitHub Codespaces Operational

GitHub Copilot Operational

GitHub Git Operations Operational

GitHub Issues Operational

GitHub Notifications Operational

GitHub Packages Operational

GitHub Pages Operational

GitHub Pull Requests Operational

GitHub Webhooks Operational

Google Cloud Platform Google Cloud Networking Operational

HUIT Operational

Netlify API Operational

Netlify Build Pipeline Operational

Netlify Content Distribution Network Operational

OpenAI API Operational

PyPi Operational

Slack Connections Operational

Slack Login Operational

Slack Messaging Operational

Zapier Operational

Zoom Meetings Operational

Zoom Software Operational

Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Past Incidents

Oct 7, 2025

No incidents reported today.

Oct 6, 2025

Incident with GitHub Codespaces

Resolved - This incident has been resolved.
Oct 6, 12:50 EDT

Monitoring - GitHub has completed a regional failover to West Europe, which should resolve the issue affecting our service.

If you are using GitHub Codespaces, please restart your codespace by visiting https://cs50.dev/restart.
Oct 6, 09:43 EDT

Investigating - We have received multiple reports indicating that there are issues with GitHub Codespaces. Some users in the Europe region are impacted, but we don’t have further information at this point.

Please check githubstatus.com for more information.
Oct 5, 16:59 EDT

Oct 5, 2025

Oct 4, 2025

No incidents reported.

Oct 3, 2025

No incidents reported.

Oct 2, 2025

No incidents reported.

Oct 1, 2025

No incidents reported.

Sep 30, 2025

No incidents reported.

Sep 29, 2025

No incidents reported.

Sep 28, 2025

No incidents reported.

Sep 27, 2025

No incidents reported.

Sep 26, 2025

No incidents reported.

Sep 25, 2025

No incidents reported.

Sep 24, 2025

Incident with Docker

Resolved - This incident has been resolved.
Sep 24, 22:29 EDT

Monitoring - A fix has been implemented and we are monitoring the results.
Sep 24, 21:16 EDT

Update - We are continuing to investigate this issue.
Sep 24, 19:51 EDT

Investigating - We are currently investigating this issue.
Sep 24, 19:51 EDT

Sep 23, 2025

No incidents reported.

CS50 Status Page

All Systems Operational

About This Site

Past Incidents