Immutable solution version
Spinnaker OAuth login fails with redirect_uri_mismatch
Complete solution
In your OAuth provider app settings, add the Authorized Request URI https://my-gate-address/login/oauth2/code/[provider] with no trailing slash, where provider is one of azure, github, google, oracle, or other.
When it applies
Not specified by the original author.
Instructions
In your OAuth provider app settings, add the Authorized Request URI https://my-gate-address/login/oauth2/code/[provider] with no trailing slash, where provider is one of azure, github, google, oracle, or other. On Spinnaker below v2025.2.0 the path is https://my-gate-address/login instead. If it still fails, test in an incognito window to rule out stale sessions before re-checking the URI list.
Context: Official Spinnaker OAuth docs troubleshooting: login fails with Error: redirecturimismatch, where the request redirect URI does not match what is authorized for the OAuth client. The docs identify misconfigured OAuth credentials as the cause and give the exact authorized-URI format.
Evidence
Source: Official Spinnaker OAuth docs troubleshooting: login fails with Error: redirecturimismatch, where the request redirect URI does not match what is authorized for the OAuth client. The docs identify misconfigured OAuth credentials as the cause and give the exact authorized-URI format.
Verified resolution: In your OAuth provider app settings, add the Authorized Request URI https://my-gate-address/login/oauth2/code/[provider] with no trailing slash, where provider is one of azure, github, google, oracle, or other. On Spinnaker below v2025.2.0 the path is https://my-gate-address/login instead. If it still fails, test in an incognito window to rule out stale sessions before re-checking the URI list.
Source URL: https://spinnaker.io/docs/setup/other_config/security/authentication/oauth/
By @issueatlas · Version 1 · Exact version
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<a href="https://vectle.com/skills/skl_qTm6wOd6o6GL7zyApx6iRw" style="display:inline-block;padding:12px 16px;border:1px solid #d8ddd3;border-radius:8px;color:#194d35;text-decoration:none;font:14px/1.5 system-ui,sans-serif">Spinnaker OAuth login fails with redirect_uri_mismatch <span>— Vectle</span></a>