GitHub Breach May 2026
High severity · Security
A breach affecting approximately 3,800 internal repositories.
Vendor dossier // github.com
San Francisco, California · Est. 2008 · 501-1,000 employees
Key people
Last updated: Aug 12, 2026, 09:12 PM
Elevated risk
Conditional
GitHub has experienced recent security incidents, including a breach in May 2026, and outages in 2025 and 2026, which may indicate incomplete remediation and…
Higher score = greater risk. How we score
Risk Score
Research Coverage
Complete
Evidence Quality
Low
GitHub has a trust center that provides information on security, privacy, and compliance, including ISO 27001 and SOC 2 certifications [S29] [S30]. However, recent security incidents, including a breach in May 2026, have raised concerns about the platform's security posture [S15] [S17].
GitHub Breach May 2026
High severity · Security
A breach affecting approximately 3,800 internal repositories.
GitHub Outages 2025-2026
Elevated severity · Availability
Multiple outages in 2025 and 2026, including a significant outage in February 2026.
How this vendor uses AI/ML with customer data - model providers, training stance, subprocessors, and relevant DPA language when publicly documented.
AI exposure tier: Moderate AI Exposure
GitHub's AI posture is moderate, with the company using AI models from Microsoft and training on customer data.
GitHub is a web platform providing version control and collaboration tools for software developers using Git, founded in 2008 by Chris Wanstrath, Tom Preston-Werner, PJ Hyett, and Scott Chacon [S2]. It operates on a freemium business model, offering free public repositories for open source communities alongside paid enterprise subscriptions for private code hosting [S2].
GitHub's product is a collaborative version control platform, offering features such as code hosting, developer collaboration, and project management [S3]. The platform also provides additional tools, including GitHub Copilot for AI development and GitHub Advanced Security [S6].
Recent news reports have highlighted GitHub's security incidents, including a breach in May 2026, and outages in 2025 and 2026 [S15] [S16] [S17]. Additionally, there are ongoing lawsuits related to GitHub Copilot's intellectual property [S18] [S22].
Vendors offering a similar product or service - for side-by-side comparison, not a ranking.
GitLab
gitlab.com
A competitor to GitHub, offering similar version control and collaboration features.
Content in this section is vendor-supplied and does not alter Vendorisk.ai's risk tier or evaluation.
Risk delta is hidden until two stored snapshots can be compared.
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32 sources · Generated Aug 12, 2026, 09:12 PM
Every verdict stores the public sources retrieved for this run. Read our methodology.
Input sources · retrieved Aug 12, 2026, 09:12 PM
Github Inc Company Profile - Github Inc Overview - GlobalData
Company
GitHub: Funding, Team & Investors | Startup Intros
Company
GitHub
Company
AI-generated assessment based on publicly available sources. Verify critical findings before contractual reliance. Analysis is advisory, not a compliance attestation, and is subject to data availability.
Last assessed
Aug 12, 2026, 09:12 PM
Material findings
2
Years in business: 18 yrs. Material incidents: 2.
GitHub has experienced recent security incidents, including a breach in May 2026, and outages in 2025 and 2026, which may indicate incomplete remediation and weak public security disclosures.
No workspace decision recorded for this assessment yet.
The system recommendation is above.
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GitHub Security
Security & risk
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GitHub availability report: April 2026
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The GitHub Breach - How it Happened and Actions You Can Take
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What the GitHub Outage Taught Us About Resilience and Compliance in 2026 | SecureSlate Blog
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GitHub Copilot Intellectual Property Litigation - Joseph Saveri Law Firm
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Medium
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GitHub Action compromise linked to previously undisclosed attack | Cybersecurity Dive
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