GitHub experienced authentication issues impacting approximately 15% of API traffic, causing erroneous 401 responses and affecting Issues and API Requests. The incident has been resolved.
# Authentication issues related to API requests
Source: [https://www.githubstatus.com/incidents/fcj3088jg1wx](https://www.githubstatus.com/incidents/fcj3088jg1wx)
## Resolved
This incident has been resolved\. Thank you for your patience and understanding as we addressed this issue\. A detailed root cause analysis will be shared as soon as it is available\.
PostedJun10,2026\-16:39UTC
## Monitoring
The degradation has been mitigated\. We are monitoring to ensure stability\.
PostedJun10,2026\-16:37UTC
## Update
The degradation affecting API Requests has been mitigated\. We are monitoring to ensure stability\.
PostedJun10,2026\-16:36UTC
## Update
We continue to investigate issues related to sporadic authentication failures, impacting approximately 15% of API traffic\. Erroneous 401 responses are causing app integrations to trigger authentication flows\. We have identified a problematic component in our infrastructure and are working to mitigate\.
PostedJun10,2026\-16:21UTC
## Update
The degradation affecting Issues has been mitigated\. We are monitoring to ensure stability\.
PostedJun10,2026\-15:46UTC
## Update
We continue to investigate issues related to sporadic authentication failures, impacting approximately 15% of API traffic\. Further updates will be provided as we work to mitigate\.
PostedJun10,2026\-15:46UTC
## Update
We are investigating issues related to sporadic authentication failures impacting approximately 15% of API traffic\. We will continue to investigate and provide updates\.
PostedJun10,2026\-15:27UTC
## Update
Issues is experiencing degraded performance\. We are continuing to investigate\.
PostedJun10,2026\-15:27UTC
## Update
API Requests is experiencing degraded availability\. We are continuing to investigate\.
PostedJun10,2026\-15:23UTC
## Investigating
We are investigating reports of impacted performance for some GitHub services\.
PostedJun10,2026\-15:20UTC
This incident affected: API Requests and Issues\.
GitHub experienced a temporary outage affecting Issues, Pull Requests, and Actions for unauthenticated users. The incident has been resolved and monitoring is ongoing.
GitHub experienced degraded performance and authentication issues affecting Actions and Pages on May 26, 2026. The incident was under investigation and mitigation.
GitHub is experiencing a major outage affecting multiple services including GitHub Actions, Pages, Copilot, and Enterprise Importer, with workflow failures and delays. Engineers are actively working on mitigations.