Outage report · Major outage
Semaphore outage on Aug 27, 2026
Platform Outage
SeverityMajor outage
StartedAug 27, 2026, 18:43UTC
ResolvedAug 27, 2026, 19:30UTC
Duration47m
What happened
Semaphore reported a major outage starting Aug 27, 2026, 18:43 UTC, affecting Semaphore. It was marked resolved at Aug 27, 2026, 19:30 UTC.
- The incident lasted 47m from first report to resolution.
- Semaphore had reported 4 other partial or major outages in the 90 days before it.
- 8 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.
Visit Semaphore ↗Full Semaphore reliability report and live status → · Most reliable Semaphore alternatives →
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