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Outage in Supabase

Network restrictions preventing read replica communication

Resolved Minor
May 20, 2026 - Started about 11 hours ago - Lasted about 8 hours
Official incident page

Incident Report

Summary AI Generated

Network restrictions prevented read replicas from communicating with their primary databases for a limited number of Supabase customer projects, affecting database functionality for 7.7 hours. The engineering team identified the root cause and developed a fix, which was successfully deployed and monitored for stability. Communication between read replicas and their primaries was fully restored for all impacted projects.

Network restrictions are preventing read replicas from communicating with their primaries for a limited number of customer projects. We are actively investigating this issue.
Components affected
Supabase Database

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Latest Updates ( sorted recent to last )
RESOLVED about 3 hours ago - at 05/21/2026 04:44AM

Communication between read replicas and their primaries for impacted projects has been restored. This incident is now resolved.

MONITORING about 3 hours ago - at 05/21/2026 04:23AM

We have merged the fix and are monitoring for stability.

IDENTIFIED about 4 hours ago - at 05/21/2026 03:49AM

We have developed a fix and it is currently being validated. We will provide more updates soon.

IDENTIFIED about 7 hours ago - at 05/21/2026 01:12AM

Our team continues to work on implementing a fix for the issue. We will provide additional updates as progress is made.

IDENTIFIED about 8 hours ago - at 05/20/2026 11:41PM

Our team continues to work on implementing a fix for the issue. We are continuing to monitor the impact and will provide additional updates as progress is made.

IDENTIFIED about 9 hours ago - at 05/20/2026 10:48PM

We have identified the cause of the issue impacting read replica communication for projects. Our team is actively working on a fix and continuing to assess the impact to affected projects.

INVESTIGATING about 10 hours ago - at 05/20/2026 09:46PM

We are reviewing the impact of this issue, which is limited to projects with read replicas and network restrictions. We continue to both investigate mitigation options for the issue and identify projects that may be impacted.

INVESTIGATING about 11 hours ago - at 05/20/2026 09:04PM

Network restrictions are preventing read replicas from communicating with their primaries for a limited number of customer projects. We are actively investigating this issue.

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