GitHub CTO Issues Apology After Nearly Eight-Hour Global Outage
GitHub suffered one of its largest outages on August 17, 2026, disrupting millions of developers worldwide and prompting the CTO to explain and apologise for the platform's capacity shortfall.
By Ravi Menon · First published 17 Aug 2026
In brief
- On August 17, 2026, GitHub experienced a nearly eight-hour global outage affecting millions of developers worldwide.
- The outage was caused by a failure in a key infrastructure component at a US data center due to record traffic levels.
- GitHub's CTO issued a public apology on August 22, acknowledging the frustration caused to users during the disruption.
- The company has restored all services and is focused on improving infrastructure to handle future traffic spikes.
- GitHub plans to implement new measures to avoid similar outages, with users closely monitoring the effectiveness of these changes.
Timeline · 7 moments
GitHub confirms global outage, begins investigation
BleepingComputer ↗GitHub and Microsoft services hit by widespread issues
vc.ru: Популярное за все время ↗GitHub outage impacts developers worldwide, disrupts core services
Cyber Security News ↗GitHub has been down for most of the morning
https://www.engadget.com/ Tech ↗GitHub explains 7 hour and 47 minute outage
The GitHub Blog ↗GitHub traces outage to infrastructure failure
Technology | The Indian Express ↗GitHub CTO apologises after one of the biggest outages
Times of India ↗How it started
On August 17, 2026, developers around the world began reporting problems accessing GitHub. According to BleepingComputer, the company acknowledged these issues at 9:40 AM EDT, confirming that both the website and API were affected. Users found themselves unable to access essential features like pull requests, repositories, and GitHub Actions. The disruption came at a time when many teams rely on GitHub for day-to-day software development and collaboration.
The outage quickly drew attention because it was not isolated. Other Microsoft services, including Copilot and Teams, also showed signs of trouble, based on reports from vc.ru and other outlets. This raised concerns about the stability of Microsoft's broader online infrastructure.
How it unfolded
As the outage continued through the morning of August 17, the scale became clearer. According to Lifehacker Tech, over 3,000 downtime reports were logged as users struggled to access their code and tools. The company confirmed the disruption and began investigating.
Microsoft officially acknowledged the problem, with BetaNews reporting that the outage started at 13:40 UTC. GitHub's own updates showed that the platform remained mostly unavailable for nearly eight hours, as detailed by The GitHub Blog.
The incident was not GitHub's first outage in August, but its length and scope made it especially disruptive. The Indian Express later reported that the root cause was a failure in a key infrastructure component at a US data center. This failure was triggered by a surge in traffic that the platform was not prepared to handle.
On August 20 and 21, GitHub published detailed explanations. They admitted that the outage was not due to errors or configuration mistakes, but rather a lack of capacity following record traffic levels. Reports in vc.ru and The Indian Express confirmed that GitHub planned to improve its scaling and monitoring systems to prevent this from happening again.
Where it stands
By August 22, GitHub's CTO had issued a public apology to the developer community, as reported by the Times of India. The company described the incident as one of the biggest outages in its history and acknowledged the frustration caused to users who depend on the platform.
GitHub has restored all services and is now focused on infrastructure improvements. However, the company also warned that ongoing capacity challenges could continue to affect access during periods of high demand, according to Engadget.
What to watch
GitHub says it will implement new measures to better handle traffic spikes and avoid similar outages in the future. Developers and businesses are watching closely to see if these promises result in more reliable service, especially as usage continues to grow.


