Companies GitHub Monthly reportsAugust 2026

GitHub in August 2026: incidents, uptime and changes

27incidents posted

8labelled major or critical

95.16%free of major/critical

89.86%free of any incident

0price changes

0notable page changes

Vendor-reported outage time 36 h, incident time 3.1 days. 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 5 · Major 3 · Minor 18 · No impact listed 1

Major and critical incidents 8

Incident	Impact	Started	Duration	Status	Day
Incident with Actions	Critical	Aug 6, 15:22	11 h	resolved	08-06
Incident with GitHub.com	Critical	Aug 17, 13:40	7.6 h	resolved	08-17
Intermittent failures creating agent tasks	Critical	Aug 20, 14:43	9.9 h	resolved	08-20
Incident with Actions	Critical	Aug 26, 15:11	2.8 h	resolved	08-26
Incident with Copilot AI Model Providers	Critical	Aug 27, 10:04	2.1 h	resolved	08-27
Disruption with Login and Release Asset downloads	Major	Aug 12, 21:39	1.3 h	resolved	08-12
Incident with Actions	Major	Aug 18, 09:36	47 min	resolved	08-18
Elevated errors on Fable 5 due to upstream provider	Major	Aug 24, 07:12	47 min	resolved	08-24

Other incidents 19

Incident	Impact	Started	Duration	Status	Day
Degraded availability GPT 5.6 Luna	Minor	Aug 1, 11:16	1.2 h	resolved	08-01
Incident with Copilot AI Model Providers	Minor	Aug 1, 18:03	41 min	resolved	08-01
Incident with Copilot	Minor	Aug 3, 09:53	1.5 h	resolved	08-03
Some Copilot Cloud Agent jobs not starting	Minor	Aug 5, 11:38	1.4 h	resolved	08-05
Incident with Pages - Deployment Lag	Minor	Aug 6, 15:03	1.3 h	resolved	08-06
Disruption with creation of fine grained personal access tokens	Minor	Aug 10, 18:02	44 min	resolved	08-10
Disruption with Copilot for access to some models	Minor	Aug 10, 20:27	1.4 h	resolved	08-10
Incident with GraphQL API Requests	Minor	Aug 11, 14:50	5.3 h	resolved	08-11
Incident with Pull Requests and Issues	Minor	Aug 12, 16:16	25 min	resolved	08-12
Errors with the Fable 5 Model in Copilot	Minor	Aug 13, 14:43	1.1 h	resolved	08-13
Incident with Webhooks	Minor	Aug 13, 14:45	51 min	resolved	08-13
Disruption with GHEC Team Sync	Minor	Aug 13, 16:21	2.1 h	resolved	08-13
Intermittent failures in runner group and runner-related permissions pages	Minor	Aug 18, 07:40	4.0 h	resolved	08-18
Degraded Git Operations over SSH	No impact listed	Aug 24, 07:19	-3919 min	resolved	08-24
Actions delays in starting runs	Minor	Aug 24, 13:56	38 min	resolved	08-24
Disruption with some GitHub services	Minor	Aug 26, 15:09	59 min	resolved	08-26
Incident with Actions and Pull Requests	Minor	Aug 26, 22:56	1.5 h	resolved	08-26
Disruption with GitHub Billing	Minor	Aug 26, 23:37	20 h	resolved	08-26
Elevated rate of errors for OpenAI models provided by Copilot	Minor	Aug 31, 09:15	42 min	resolved	08-31

CVEs published

CVE-2026-17556 Path traversal in GitHub Enterprise Server allowed unauthenticated deletion of instance storage via the X-GitHub-Request-Id header (CVSS 9.1)
CVE-2026-15996 Denial of service vulnerability in GitHub Enterprise Server allowed unauthenticated service disruption via deeply nested request parameters (CVSS 7.5)
CVE-2026-19311 Missing Authorization in Execute Monitor API in OpenSearch Alerting Plugin (CVSS 8.1)
CVE-2026-18952 Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin (CVSS 8.1)
CVE-2026-18428 SQL Query Validation Bypass in OpenSearch Direct Query (CVSS 8.8)

Cite this

GitHub posted 27 status incidents in August 2026 (8 major or critical); 0 price changes and 0 notable page changes observed.

Title: GitHub in August 2026
Vendor: GitHub
Date: 2026-08-01 00:00 UTC
URL: https://rewindex.com/company/github/2026/08

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