Changes / Optimizely / Flags permission issue.
Optimizely: Critical incident: Flags permission issue.
Summary
Optimizely reported a critical flags permission issue affecting Application UI and Optimizely REST API, including Feature Experimentation. It started at 2026-05-20 09:42 UTC and was resolved at 2026-05-20 11:30 UTC, lasting 1 h 48 min; a fix was implemented at 10:10 UTC, but no cause or specific customer impact was stated.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
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After: Flags permission issue.
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After: critical
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After: resolved
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After: 2026-05-20 09:42 UTC
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After: 2026-05-20 11:30 UTC
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After: Application UI, Feature Experimentation - Application UI, Feature Experimentation - Optimizely REST API, Optimizely REST API
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After: We are currently investigating the issue.
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After: We are continuing to investigate this issue.
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After: A fix has been implemented and we are monitoring the results.
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After: This incident has been resolved.
First version of this incident archived by Rewindex. View the live incident.
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: Flags permission issue. (this change) Optimizely reported a critical flags permission issue affecting Application UI and Optimizely REST API, including Feature Experimentation. It started at 2026-05-20 09:42 UTC and was resolved at 2026-05-20 11:30 UTC, lasting 1 h 48 min; a fix was implemented at 10:10 UTC, but no cause or specific customer impact was stated. | Major incident |
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