Security Advisory

CVE-2026-42283

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-14 15:44:22

Last updated 2026-05-16 00:36:17

Assigner GitHub_M

CVSS score 7.7

State PUBLISHED

Description

DevSpace is a client-only developer tool for cloud-native development with Kubernetes. Prior to 6.3.21, DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the same time uses a browser to access the internet, a malicious website they visit can use their browser to establish a cross-origin WebSocket connection to ws://127.0.0.1:8090. This vulnerability is fixed in 6.3.21.

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