Outage in Canvas Instructure

Users may encounter errors when trying to access Canvas, Catalog, Mastery Connect or Portfolio

Resolved Major

July 16, 2026 - Started 19 days ago - Lasted about 4 hours
Official incident page

Incident Report

Summary AI Generated

A global AWS CloudFront outage caused Canvas LMS, Canvas Catalog, Mastery Connect, and Portfolio to become inaccessible across all regions for approximately 4 hours. Users widely reported 504 Gateway Timeout errors across browsers, mobile apps, and institutions, preventing access to course materials, homework, and exams at a particularly impactful time for many. Services were restored region by region, with a full fix deployed and confirmed resolved after roughly 4 hours.

We are currently investigating this issue.

Components affected

Canvas Instructure Mastery Connect Canvas Instructure ca-central-1 Canvas Instructure eu-central-1 Canvas Instructure eu-west-1 Canvas Instructure us-east-1 Canvas Instructure ap-southeast-1 Canvas Instructure Canvas LMS Canvas Instructure ap-southeast-2 Canvas Instructure us-west-2 Canvas Instructure Canvas Catalog

Latest Updates ( sorted recent to last )

RESOLVED 19 days ago - at 07/16/2026 12:21PM

This issue has been resolved and all Instructure products are working as intended.

MONITORING 19 days ago - at 07/16/2026 11:57AM

A fix has been implemented in all regions for all affected products. We are currently monitoring the results.

IDENTIFIED 19 days ago - at 07/16/2026 11:52AM

We are continuing to work on a fix for this issue.

IDENTIFIED 19 days ago - at 07/16/2026 11:38AM

We are continuing to work on a fix for this issue.

IDENTIFIED 19 days ago - at 07/16/2026 11:26AM

Mastery Connect is accessible once again. Our team is monitoring it, while working on restoring other impacted services in all regions.

IDENTIFIED 19 days ago - at 07/16/2026 11:13AM

We are continuing to work on a fix for this issue.

IDENTIFIED 19 days ago - at 07/16/2026 11:03AM

We are continuing to work on a fix for this issue.

IDENTIFIED 19 days ago - at 07/16/2026 10:48AM

We are continuing to work on a fix for this issue.

IDENTIFIED 19 days ago - at 07/16/2026 10:31AM

Canvas and our other impacted services are now accessible from our EU servers once again. Our team is monitoring this and working on restoring access to other regions as well.

IDENTIFIED 19 days ago - at 07/16/2026 10:17AM

AWS Cloudfront has a global outage. We are investigating the issue together with AWS experts. Their team is providing updates from their end here: https://health.aws.amazon.com/health/status

IDENTIFIED 19 days ago - at 07/16/2026 10:03AM

AWS Cloudfront has a global outage. We are investigating the issue together with AWS experts. Their team is providing updates from their end here: https://health.aws.amazon.com/health/status

INVESTIGATING 19 days ago - at 07/16/2026 09:53AM

AWS Cloudfront has a global outage. We are investigating the issue together with AWS experts. Their team is providing updates from their end here: https://health.aws.amazon.com/health/status

INVESTIGATING 19 days ago - at 07/16/2026 09:38AM

AWS Cloudfront has a global outage. We are investigating the issue together with AWS experts. Their team is providing updates from their end here: https://health.aws.amazon.com/health/status

INVESTIGATING 19 days ago - at 07/16/2026 09:27AM

AWS Cloudfront has a global outage. We investigating the issue together with AWS experts. You can follow updates from their team here: https://health.aws.amazon.com/health/status

INVESTIGATING 19 days ago - at 07/16/2026 09:13AM

AWS Cloudfront has a global outage. We investigating the issue together with AWS experts. You can follow updates from their team here: https://health.aws.amazon.com/health/status

INVESTIGATING 19 days ago - at 07/16/2026 08:56AM