Udemy experienced a critical incident on December 5, 2025 affecting Udemy Business and Udemy.com (Marketplace), lasting 59m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 05, 2025, 09:01 AM UTC
Our site is experiencing a stability issue - We're looking into this, and we'll report back as more information becomes available.
- identified Dec 05, 2025, 09:33 AM UTC
Service disruption. This issue began at 8:49 UTC. Our partner Cloudflare is experiencing a problem that affects logins to Udemy and Udemy Business, password resets, and video playback. You may see errors when trying to sign in or watch content. It's still ongoing; we will share more updates as they come in. Thank you for your patience.
- resolved Dec 05, 2025, 10:01 AM UTC
The Cloudflare-related impact has been resolved. All systems are functioning as expected, and the incident is now cleared.