GHSA-RG4H-FPCP-2QM8 Microsoft Kiota: Generation-time SSRF + remote/local file inclusion via unrestricted $ref

Summary Microsoft Kiota resolved OpenAPI $refs by fetching remote https URLs and reading local files including absolute / out-of-tree paths, inlining the referenced schema into the generated client. Running kiota generate on a spec whose $ref pointed at an attacker/internal URL or an arbitrary...