Zilliz Attu before 3.0.0 has a Playground feature that does not require authentication for proxying arbitrary HTTP and HTTPS requests to URLs on the public internet.

{
                    "defaultStatus": "unaffected",
                    "modules": [
                        "Playground"
                    ],
                    "product": "Attu",
                    "repo": "https://github.com/zilliztech/attu",
                    "vendor": "Zilliz",
                    "versions": [
                        {
                            "lessThan": "3.0.0",
                            "status": "affected",
                            "version": "2.6.5",
                            "versionType": "semver"
                        },
                        {
                            "lessThan": "2.6.5",
                            "status": "unknown",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }