HackerOne experienced a major incident on November 18, 2025 affecting HackerOne Application, lasting 7h 37m. The incident has been resolved; the full update timeline is below.
Affected components
HackerOne Application
Update timeline
- identified Nov 18, 2025, 02:20 PM UTC
Cloudflare is experiencing an outage that is causing the Cloudflare challenge to fail. Because of this users are currently unable to sign in to hackerone.com. Existing sessions can still be used and all other platform functionality that does not rely on the Cloudflare challenge continues to operate normally.
- monitoring Nov 18, 2025, 02:36 PM UTC
A temporary fix has been implemented. Users are able to log in again.
- resolved Nov 18, 2025, 09:57 PM UTC
This incident has been resolved.