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                "id": "CVE-2026-15911",
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-10-01T18:29:42.297Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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              "value": "\u003cul\u003e\u003cli\u003e\u003cstrong\u003econfluent-kafka (Python): \u003c/strong\u003eThis issue has been addressed in confluent-kafka (Python) 2.15.0, which:\u003cul\u003e\u003cli\u003eEnables TLS certificate verification by default.\u003c/li\u003e\u003cli\u003eExposes configuration to supply a custom CA bundle and an optional client certificate for mutual TLS, through both driver configuration and standard Vault environment variables:\u003cul\u003e\u003cli\u003essl.ca.location (or environment variable VAULT_CACERT): CA bundle used to verify the Vault server certificate.\u003c/li\u003e\u003cli\u003essl.certificate.location (or environment variable VAULT_CLIENT_CERT): client certificate for mutual TLS.\u003c/li\u003e\u003cli\u003essl.key.location (or environment variable VAULT_CLIENT_KEY): client private key for mutual TLS.\u003c/li\u003e\u003c/ul\u003e\u003c/li\u003e\u003cli\u003eAn empty or unset CA value keeps verification enabled; it does not silently disable verification.\u003c/li\u003e\u003c/ul\u003e\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eConfluent Platform: \u003c/strong\u003eNot affected. The vulnerability resides in the confluent-kafka Python client library and does not affect Confluent Platform server components or their released versions.\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eConfluent Cloud:\u003c/strong\u003e Not affected. No remediation is required for Confluent Cloud.\u003c/li\u003e\u003c/ul\u003e"
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        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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    "assignerShortName": "ibm",
    "cveId": "CVE-2026-15911",
    "datePublished": "2026-10-01T18:29:42.297Z",
    "dateReserved": "2026-07-15T19:28:12.162Z",
    "dateUpdated": "2026-10-06T02:01:13.972Z",
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