GHSA-fm8p-53ww-hf6w: DBHub HTTP transport DNS rebinding allows unauthenticated browser-origin SQL execution
HIGHCritical vulnerability
What to do
- Critical severity — schedule an urgent patch.
### Summary DBHub `0.21.2` exposes an unauthenticated HTTP MCP endpoint when started with the documented HTTP transport mode, for example `--transport http --port 8080`. The HTTP server attempts to protect browser-origin access by checking whether the `Origin` hostname equals the `Host` hostname, then reflecting the validated `Origin` into `Access-Control-Allow-Origin`. This does not stop DNS rebinding. …
CVE · detail
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