Major incident

LibreTexts Systems: Partial Outage on Libraries

Affected: Chemistry, Biology, Business, Engineering, Espanol, Geology, Humanities, K-12 Education, Mathematics, Medicine, Physics, Social Sciences, Statistics, Workforce, Ukrayinska, Global

Current status of LibreTexts Systems: Operational — live LibreTexts Systems status

Timeline

1. Aug 18, 2026, 19:12 UTC
   identified
   An issue with a third-party service provider is currently affecting our libraries. Users may be unable to access content or log in. We apologize for any inconvenience and will provide updates as they are available.
2. Aug 18, 2026, 19:52 UTC
   monitoring
   We are seeing improved availability and performance on the libraries. We will continue to monitor for signs of degradation.
3. Aug 18, 2026, 22:15 UTC
   resolved
   This incident has been resolved.

Updates as published by LibreTexts Systems (original).