Bug hunter tracks down three massive MCP flaws and one vendor won't fix theirs

Security vulnerabilities in MCP servers for three popular database projects could let attackers execute unintended SQL statements on Apache Doris, exfiltrate sensitive metadata from Alibaba RDS, and potentially take over Apache Pinot instances exposed to the internet. Alibaba, meanwhile, declined to patch its flaw. Apache issued a patch and a CVE tracker for Doris MCP, and there’s an open ticket in the MCP Pinot Github repository for the flaw, we're told.