GitHub Outage Disrupts Developer Services

Developers worldwide are encountering errors across GitHub as a widespread outage disrupts the website, API, Actions, and other core services. The incident, confirmed by GitHub on August 17, 2026, has led to significant performance degradation, affecting critical workflows that many teams depend on daily.

Outage Confirmation and Initial Impact

GitHub acknowledged the outage at 9:40 AM EDT, stating it was investigating reports of performance problems. The issues quickly expanded to affect API Requests, Actions, Webhooks, Issues, and Pull Requests. According to GitHub's status page, the company observed error rates around 20% across its web experience and API traffic.

Users have reported server errors when trying to access GitHub, with some encountering problems loading commits, repositories, and pull request pages. The widespread nature of the outage suggests a systemic issue rather than isolated incidents.

Download Errors Spike to 50%

The outage appears to be particularly severe for repository downloads. GitHub reports that archive downloads and raw repository content downloads are experiencing error rates of approximately 50%. This means that for many users, fetching code and release assets is failing half the time.

Authentication-related services are also affected, with SAML and OIDC authentication, SCIM, and Team Sync experiencing problems. This can prevent users from logging in or syncing team membership, adding another layer of disruption.

Actions and CI/CD Degraded

GitHub Actions is experiencing degraded performance, which means automated builds, tests, deployments, and other workflows that rely on GitHub's CI/CD platform could be affected. For many development teams, this halts continuous integration and delivery pipelines, blocking progress.

The outage also expanded to GitHub Copilot at 10:31 AM EDT, with the AI coding service experiencing degraded availability. This extends the impact to developers who rely on Copilot's suggestions and assistance.

Mitigations Underway, Status Update

As of 11:42 AM EDT, GitHub said it is performing mitigations. However, error rates remain around 20% for web experiences and API traffic, while archive and raw repository content downloads continue to see approximately 50% error rates. GitHub has not disclosed the cause of the outage and says its investigation is ongoing.

Services Still Operational

Some services such as Git Operations, Packages, Pages, and Codespaces are currently listed as operational. However, several important parts of GitHub remain degraded, and the full recovery timeline is unclear. The GitHub status page provides the latest updates for users tracking the incident.

Impact on Development Workflows

For many organizations, GitHub is the central hub for code hosting and collaboration. An outage of this scale can bring development to a standstill, affecting not just individual developers but entire teams and companies. The high error rates for downloads and authentication compound the problem, making it difficult to perform basic tasks.

The incident underscores the reliance on cloud-based development platforms. While GitHub has not disclosed the root cause, the severity of the errors suggests a complex infrastructure issue that may take time to resolve.

What This Means for Teams

This outage could have significant implications for businesses that depend on GitHub for their daily operations. Downtime in CI/CD pipelines can delay product releases, and restricted access to repositories can hinder collaboration. The high error rates for authentication and downloads mean that even basic tasks like cloning a repository or signing in may fail.

As GitHub continues its investigation, teams should monitor the status page for updates. In the meantime, organizations might consider contingency plans, such as having local backups or alternative communication channels. While this incident highlights the critical role of GitHub in the software development ecosystem, it also raises questions about the resilience of relying on a single platform for essential workflows.