Harness outage, 15 September 2026
API Login failures
- Started
- Resolved
- 15 Sept 2026, 17:43 UTC (after 21 min)
- Impact
- Critical
- Affected
- Platform
Last update from Harness
# Root Cause Analysis Report ## Brief API Login Failures Due to a Security Policy Misconfiguration ## 1. Executive Summary On September 11, 2026, a change to one of our network security policies was deployed with a configuration error. For approximately 6 minutes, this caused login requests to be incorrectly blocked, preventing some users from logging in. The issue was detected automatically by our monitoring systems. The problematic change was fully reverted within 5 minutes of detection, restoring normal login functionality. # 2. Impact * For approximately 6 minutes \(12:30-12:36 PM CT on September 11, 2026\), login requests matching certain URL paths were incorrectly blocked. * A...
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