reddit | Technical Information Security Content & Discussion Follow Unauthenticated RCE in CircleCI's MCP server: Host/Origin allowlist bypassed by any non-browser client (GHSA-xv5j-cwgj-22r4) https://www.reddit.com/r/netsec/comments/1vqtjpi/unauthenticated_rce_in_circlecis_mcp_server/ reddit.com