Is Semaphore CI down right now?
No — Semaphore CI is up. All systems operational as of Oct 12, 4:54 AM UTC.
Current Status
All Systems Operational
Components
Recent Incidents
Delays in job processing
majorSep 17, 2026 · resolved Sep 17
This incident has been resolved.
Intermittent cache connection errors
minorSep 17, 2026 · resolved Sep 17
This incident has been resolved.
Delays in job processing
minorSep 15, 2026 · resolved Sep 15
This incident has been resolved.
Periodic authentication failure with GitHub repositories
minorSep 2, 2026 · resolved Sep 3
Semaphore is currently operating normally, which is why we’re marking this incident as resolved. GitHub confirmed that the behavior affecting unauthenticated Git operations is the result of an intentional change on their end rather than a bug. You can read their latest statement here: https://github.com/orgs/community/discussions/206581#discussioncomment-18269083 For builds affected by this behavior, the previously shared workaround remains available. Configure Git to use HTTP/1.1 before running the affected Git operation: git config --global http.version HTTP/1.1 We will add this instruction and further context to our documentation. Any additional guidance from Semaphore will be shared through in-app notifications. For further assistance, contact our support team at [email protected].
Periodic authentication failure with GitHub repositories
minorSep 2, 2026 · resolved Sep 2
This incident has been resolved.
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Semaphore CI status — frequently asked questions
Is Semaphore CI down right now?
No — Semaphore CI is up. All systems operational as of Oct 12, 4:54 AM UTC.
What is Semaphore CI's current status?
Semaphore CI: All Systems Operational. Alert24 checks Semaphore CI's status page continuously and can notify you the moment it changes.
How do I get alerted when Semaphore CI goes down?
Alert24 monitors Semaphore CI and 3,700+ other cloud and SaaS providers. When an outage is detected it updates your status page automatically and pages your on-call team — no manual checks. Start free at alert24.net.