CompaniesGitHubMonthly reportsSeptember 2026
GitHub in September 2026: incidents, uptime and changes
14incidents posted
4labelled major or critical
97.97%free of major/critical
93.56%free of any incident
0price changes
0notable page changes
Vendor-reported outage time 14 h 36 min, incident time 46 h 19 min. Derived from the incidents the vendor posted on its own status page, not measured by us. A minute counts as an outage minute when a major or critical incident (as the vendor labelled it) was open; incident minutes include minor ones too. Maintenance and incidents marked "no impact" are left out, overlapping incidents are merged, a resolved incident counts for at most 7 days, and one still open with no resolution counts for at most 24 hours. Last 90 days.
By vendor label: Critical 2 · Major 2 · Minor 10
Major and critical incidents 4
| Incident | Impact | Started | Duration | Status | Day |
|---|---|---|---|---|---|
| Incident with several GitHub Services | Critical | 1.5 h | resolved | 09-13 | |
| Copilot Code Review is unable to complete reviews | Critical | 52 min | resolved | 09-28 | |
| Disruption with Copilot Code Review | Major | 1.8 h | resolved | 09-04 | |
| Degradation with Gemini 3.8 Flash | Major | 10 h | resolved | 09-16 |
Other incidents 10
| Incident | Impact | Started | Duration | Status | Day |
|---|---|---|---|---|---|
| Delays in commit processing | Minor | 1.0 h | resolved | 09-01 | |
| Incident with Grok Copilot AI Model Provider | Minor | 2.9 h | resolved | 09-03 | |
| Degradation in repos contents API | Minor | 21 min | resolved | 09-04 | |
| Actions Larger Runner Jobs for some customers may be slow to start | Minor | 55 min | resolved | 09-14 | |
| Disruption with some GitHub services | Minor | 1.5 h | resolved | 09-15 | |
| Disruption with some GitHub services | Minor | 49 min | resolved | 09-15 | |
| Elevated rate of errors for OpenAI models provided by Copilot | Minor | 50 min | resolved | 09-17 | |
| Incident with Pull Requests | Minor | 1.1 h | resolved | 09-20 | |
| Incident across several services | Minor | 19 h | resolved | 09-23 | |
| Disruption with billing information updates | Minor | 3.8 h | resolved | 09-24 |
CVEs published
- CVE-2026-18730 Server-side request forgery vulnerability in GitHub Enterprise Server Manage API leaked a replayable gateway-agent bearer token (CVSS 7.4)
- CVE-2026-19118 Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution (CVSS 7.5)
- CVE-2026-76851 Server-Side Request Forgery vulnerability in GitHub Enterprise Server allowed remote code execution via network access from pre-receive hooks to internal services (CVSS 8.8)
- CVE-2026-77987 GitHub Enterprise Server notebook viewer vulnerable to Server-side request forgery (CVSS 9.8)
- CVE-2026-77912 Stored cross-site scripting vulnerability in GitHub Enterprise Server allowed HTML attribute injection via the Markdown rendering pipeline (CVSS 5.4)
- CVE-2026-75101 Authorization bypass vulnerability in GitHub Enterprise Server allowed reading of private pull request diffs and patches via repository name collision (CVSS 6.5)
Cite this
GitHub posted 14 status incidents in September 2026 (4 major or critical); 0 price changes and 0 notable page changes observed.
- Title
- GitHub in September 2026
- Vendor
- GitHub
- Date
- URL
- https://rewindex.com/company/github/2026/09