A vulnerability was identified in Doccano Open Source Annotation Tools for Machine Learning Practitioners and Auto Labeling Pipeline Module to Annotate a Document Automatically up to 1.8.5. Affected by this issue is the function ExampleDetail of the file /v1/projects/1/examples/ of the component Project Example Detail Endpoint. Such manipulation leads to improper access controls. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.