# GitHub in December 2025: incidents, uptime and changes > GitHub in December 2025: 15 incidents on its status page (5 major or critical), 99.15% free of major or critical incidents (vendor-reported), 1 CVE. From Rewindex’s archive of GitHub’s status, pricing and policy pages. Canonical: https://rewindex.com/company/github/2025/12 Last updated: 2026-10-07T20:10:01Z - Incidents posted: 15 (major/critical: 5) · Maintenance: 0 - By vendor impact label: major 5, minor 8, none 2 - Uptime (vendor-reported): 99.15% free of major/critical incidents, 97.32% free of any incident; outage time 6 h 16 min, incident time 19 h 55 min - Price changes: 0 · Pricing/legal/trust page changes: 0 · Deprecations: 0 · CVEs: 1 - Previous month: [November 2025](https://rewindex.com/company/github/2025/11.md) · Next: [January 2026](https://rewindex.com/company/github/2026/01.md) · [All months](https://rewindex.com/company/github/reports.md) · [GitHub](https://rewindex.com/company/github.md) _Uptime: 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._ ## Major and critical incidents | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status | | --- | --- | --- | --- | --- | --- | | [Potential disruption with our Agent Control Plane UI Settings](https://rewindex.com/company/github/incidents/r6fc6tyzr430.md) | major | 2025-12-08 19:51 UTC | 2025-12-08 21:06 UTC | 1.3 h | resolved | | [Copilot Code Review is degraded, and not returning responses to users](https://rewindex.com/company/github/incidents/qkr3gcys0lzx.md) | major | 2025-12-15 17:43 UTC | 2025-12-15 18:22 UTC | 39 min | resolved | | [Intermittent networking failures across GitHub-hosted Actions runners](https://rewindex.com/company/github/incidents/x696x0g4t85l.md) | major | 2025-12-18 16:33 UTC | 2025-12-18 17:41 UTC | 1.1 h | resolved | | [Disruption with some GitHub services](https://rewindex.com/company/github/incidents/49y7x9g06l4x.md) | major | 2025-12-18 17:36 UTC | 2025-12-18 19:09 UTC | 1.6 h | resolved | | [Disruption with some GitHub services](https://rewindex.com/company/github/incidents/y2wxzcfbgbn2.md) | major | 2025-12-22 22:31 UTC | 2025-12-23 00:17 UTC | 1.8 h | resolved | ## All incidents | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status | | --- | --- | --- | --- | --- | --- | | [Webhooks delivery degradation](https://rewindex.com/company/github/incidents/k95d6yq4tmly.md) | none | 2025-12-03 22:30 UTC | 2025-12-03 22:30 UTC | 0 min | resolved | | [Team synchronization is experiencing delays for non enterprise managed users](https://rewindex.com/company/github/incidents/3hdjjpkvz895.md) | minor | 2025-12-05 18:38 UTC | 2025-12-05 22:20 UTC | 3.7 h | resolved | | [Potential disruption with our Agent Control Plane UI Settings](https://rewindex.com/company/github/incidents/r6fc6tyzr430.md) | major | 2025-12-08 19:51 UTC | 2025-12-08 21:06 UTC | 1.3 h | resolved | | [Disruption with some GitHub services](https://rewindex.com/company/github/incidents/n4fpndtvbmwb.md) | minor | 2025-12-08 21:28 UTC | 2025-12-08 22:33 UTC | 1.1 h | resolved | | [Some Actions customers experiencing run start delays](https://rewindex.com/company/github/incidents/znmz4zmsg1rv.md) | minor | 2025-12-10 09:11 UTC | 2025-12-10 11:05 UTC | 1.9 h | resolved | | [Some macOS Actions jobs routing to Ubuntu instead](https://rewindex.com/company/github/incidents/17lxd87h22fj.md) | minor | 2025-12-10 13:34 UTC | 2025-12-10 14:52 UTC | 1.3 h | resolved | | [We are investigating a rise in request failures on several services](https://rewindex.com/company/github/incidents/xntfc1fz5rfb.md) | minor | 2025-12-11 15:47 UTC | 2025-12-11 17:53 UTC | 2.1 h | resolved | | [Disruptions in Login and Signup Flows](https://rewindex.com/company/github/incidents/40730vhmg6y8.md) | minor | 2025-12-11 18:40 UTC | 2025-12-11 20:05 UTC | 1.4 h | resolved | | [Incident with Copilot Grok Code Fast 1](https://rewindex.com/company/github/incidents/jcbsbbfd1x9r.md) | minor | 2025-12-15 14:12 UTC | 2025-12-15 15:45 UTC | 1.6 h | resolved | | [Copilot Code Review is degraded, and not returning responses to users](https://rewindex.com/company/github/incidents/qkr3gcys0lzx.md) | major | 2025-12-15 17:43 UTC | 2025-12-15 18:22 UTC | 39 min | resolved | | [Incident With Copilot](https://rewindex.com/company/github/incidents/lctp4bzd37h2.md) | none | 2025-12-16 12:00 UTC | 2025-12-16 12:00 UTC | 0 min | resolved | | [Intermittent networking failures across GitHub-hosted Actions runners](https://rewindex.com/company/github/incidents/x696x0g4t85l.md) | major | 2025-12-18 16:33 UTC | 2025-12-18 17:41 UTC | 1.1 h | resolved | | [Disruption with some GitHub services](https://rewindex.com/company/github/incidents/49y7x9g06l4x.md) | major | 2025-12-18 17:36 UTC | 2025-12-18 19:09 UTC | 1.6 h | resolved | | [Disruption with some GitHub services](https://rewindex.com/company/github/incidents/y2wxzcfbgbn2.md) | major | 2025-12-22 22:31 UTC | 2025-12-23 00:17 UTC | 1.8 h | resolved | | [Incident with Issues and Pull Requests](https://rewindex.com/company/github/incidents/ccrzb3ms9j2d.md) | minor | 2025-12-23 09:56 UTC | 2025-12-23 10:32 UTC | 36 min | resolved | ## CVEs published - [CVE-2025-14046](https://rewindex.com/cve/CVE-2025-14046.md) Insufficient HTML Sanitization Allows User-Controlled DOM Elements to Overwrite Server-Initialized Data Islands and Trigger Unintended Server-Side POST Requests (CVSS 6.1), published 2025-12-11 ## Cite this GitHub posted 15 status incidents in December 2025 (5 major or critical); 0 price changes and 0 notable page changes observed. - Canonical URL: https://rewindex.com/company/github/2025/12 - Citation: GitHub, “GitHub in December 2025” (2025-12-01 00:00 UTC). Archived by Rewindex: https://rewindex.com/company/github/2025/12 (CC BY 4.0). - Markdown link: `[GitHub: GitHub in December 2025 (2025-12-01)](https://rewindex.com/company/github/2025/12)` --- Canonical: https://rewindex.com/company/github/2025/12 · Markdown: https://rewindex.com/company/github/2025/12.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T12:51:15.683Z