CVE-2026-63637 Dgraph: DQL Injection via unvalidated regexp filter argument in GraphQL query rewriter

Dgraph is an open source distributed GraphQL database. Prior to 25.3.8, maybeQuoteArg in graphql/resolve/queryrewriter.go passes regexp filter strings into generated DQL without quoting or validating the /pattern/flags form, allowing crafted GraphQL query or mutation filters to inject DQL...