Outage in Cloudflare

Access for SaaS applications failing to authenticate

Resolved Minor
June 18, 2025 - Started about 6 hours ago - Lasted about 4 hours
Official incident page

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Outage Details

Cloudflare engineering is investigating an issue causing authentication to fail for some Access for SaaS applications. This is due to an incorrect certificate signing key. The engineering team is investigating a solution to revert to the original keys. Access self-hosted and private network application authentication is not impacted at this time.
Components affected
Cloudflare Sites and Services Cloudflare Access
Latest Updates ( sorted recent to last )
MONITORING about 3 hours ago - at 06/19/2025 02:12AM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 6 hours ago - at 06/18/2025 11:29PM

Cloudflare engineering is working on reverting the affected signing keys. We do not advise updating keys if you are impacted.

INVESTIGATING about 6 hours ago - at 06/18/2025 11:17PM

Cloudflare engineering is investigating an issue causing authentication to fail for some Access for SaaS applications. This is due to an incorrect certificate signing key. The engineering team is investigating a solution to revert to the original keys.

Access self-hosted and private network application authentication is not impacted at this time.

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