CVE-2026-16498 terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the streamable-HTTP stateless transport mode that may allow one user's Terraform token to be used to execute tool calls on behalf of subsequent users. This vulnerability, CVE-2026-16498, is fix...

CVE-2026-16498

The terraform-mcp-server package is affected up to version 1.0.x; in the streamable-HTTP stateless transport mode, a cross-tenant credential reuse vulnerability allows one user’s Terraform token to be used to execute tool calls for subsequent users. Root cause: improper isolation between tenants ...

CVE-2026-16498: Exposure of Data Element to Wrong Session

The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the streamable-HTTP stateless transport mode that may allow one user's Terraform token to be used to execute tool calls on behalf of subsequent users. This vulnerability, CVE-2026-16498, is fix...