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        "state": "PUBLISHED",
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        "dateReserved": "2026-08-05T14:50:01.309Z",
        "datePublished": "2026-10-05T19:06:52.146Z",
        "dateUpdated": "2026-10-07T20:13:41.092Z"
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    "containers": {
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            "title": "Maestro: maestro: rest api write endpoints registered without authentication middleware",
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                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A flaw was found in Maestro. Its REST API write endpoints were registered without proper authentication middleware. This allows a remote attacker to perform unauthorized write operations, such as creating, modifying, or deleting consumers and resource bundles. This could lead to data integrity issues or a denial of service (DoS)."
                }
            ],
            "affected": [
                {
                    "vendor": "Red Hat",
                    "product": "Multicluster Engine for Kubernetes",
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                    "packageName": "multicluster-engine/cloudevents-conductor-rhel9",
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                    ]
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                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511520",
                    "name": "RHBZ#2511520",
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            ],
            "datePublic": "2026-10-05T17:38:22.249Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-306",
                            "description": "Missing Authentication for Critical Function",
                            "lang": "en",
                            "type": "CWE"
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                    ]
                }
            ],
            "x_redhatCweChain": "CWE-306: Missing Authentication for Critical Function",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "To mitigate this issue, disable the OpenShift Route for the Maestro component if external authentication is not configured. This can be achieved by setting `route.enabled=false` in the Maestro Helm chart configuration. Alternatively, implement an external authentication layer, such as an Istio AuthorizationPolicy, NetworkPolicy, or oauth-proxy, to secure the exposed REST API endpoints. Disabling the route may impact functionality that relies on external access to Maestro's REST API."
                }
            ],
            "timeline": [
                {
                    "lang": "en",
                    "time": "2026-08-05T00:00:00.000Z",
                    "value": "Reported to Red Hat."
                },
                {
                    "lang": "en",
                    "time": "2026-10-05T17:38:22.249Z",
                    "value": "Made public."
                }
            ],
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