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Outage in Cloudinary

Failed transformation requests with combination of Strict Transformations and Auto-Upload

Resolved Minor
December 15, 2025 - Started about 2 months ago - Lasted about 4 hours
Official incident page

Incident Report

We are currently working to resolve a reported issue when using both Strict Transformations and the Auto-Upload feature. Until we resolve the issue, you may see "Transformation ... is not allowed" errors on requests that should trigger an auto upload from a remote URL or bucket. Until we resolve the issue, you can work around the issue by temporarily disabling Strict Transformations or using another method to allow the transformation to proceed such as signing the URL or adding an Strict Referral Domain: https://cloudinary.com/documentation/control_access_to_media#strict_transformations

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Latest Updates ( sorted recent to last )
RESOLVED about 2 months ago - at 12/15/2025 07:32PM

This incident has been resolved.

MONITORING about 2 months ago - at 12/15/2025 05:42PM

A fix has been deployed and affected requests should now be working as expected. We'll resolve the incident after some further monitoring.

IDENTIFIED about 2 months ago - at 12/15/2025 04:51PM

We are working on deploying a fix for this issue; we'll provide a further update after the deployment is complete

IDENTIFIED about 2 months ago - at 12/15/2025 03:10PM

We are currently working to resolve a reported issue when using both Strict Transformations and the Auto-Upload feature. Until we resolve the issue, you may see "Transformation ... is not allowed" errors on requests that should trigger an auto upload from a remote URL or bucket. Until we resolve the issue, you can work around the issue by temporarily disabling Strict Transformations or using another method to allow the transformation to proceed such as signing the URL or adding an Strict Referral Domain: https://cloudinary.com/documentation/control_access_to_media#strict_transformations

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