Outage report · Partial outage
Semaphore outage on Oct 20, 2025
Docker Hub outage affecting image push/pulls in Semaphore
SeverityPartial outage
StartedOct 20, 2025, 08:44UTC
ResolvedOct 21, 2025, 01:00UTC
Duration16h 16m
What happened
Semaphore reported a partial outage starting Oct 20, 2025, 08:44 UTC, affecting Semaphore. It was marked resolved at Oct 21, 2025, 01:00 UTC.
- The incident lasted 16h 16m from first report to resolution.
- It was the longest significant outage Semaphore reported in the 12 months up to it.
- Semaphore had reported no other partial or major outages in the 90 days before it.
- 12 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Semaphore
This incident has been resolved.
What our independent monitoring saw
Our independent monitoring of Semaphore started after this incident, so this report is based on Semaphore's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Semaphore's overall reliability
54.9/100
Semaphore has a reliability score of 54.9/100, with 98.92% effective uptime and 22 incidents over the last 90 days.
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