CVE-2026-11618 | DTStack Taier up to 1.4.0 Source Connection Test Endpoint LoginInterceptor.java preHandle improper authentication (Issue 1194)

A vulnerability was found in DTStack Taier up to 1.4.0. It has been declared as critical. The affected element is the function preHandle of the file taier-data-develop/src/main/java/com/dtstack/taier/develop/interceptor/LoginInterceptor.java of the component Source Connection Test Endpoint. Executing a manipulation can lead to improper authentication.

This vulnerability appears as CVE-2026-11618. The attack may be performed from remote. In addition, an exploit is available.

A patch should be applied to remediate this issue.