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        "cveId": "CVE-2026-15911",
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        "assignerShortName": "ibm",
        "dateReserved": "2026-07-15T19:28:12.162Z",
        "datePublished": "2026-10-01T18:29:42.297Z",
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            "title": "Confluent Kafka Python Improper TLS Certificate Validation",
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                            "lang": "en",
                            "cweId": "CWE-295",
                            "description": "CWE-295 Improper certificate validation",
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                        "attackVector": "NETWORK",
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                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
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                    "value": "*  confluent-kafka (Python): This issue has been addressed in confluent-kafka (Python) 2.15.0, which:  *  Enables TLS certificate verification by default.\n  *  Exposes configuration to supply a custom CA bundle and an optional client certificate for mutual TLS, through both driver configuration and standard Vault environment variables:  *  ssl.ca.location (or environment variable VAULT_CACERT): CA bundle used to verify the Vault server certificate.\n  *  ssl.certificate.location (or environment variable VAULT_CLIENT_CERT): client certificate for mutual TLS.\n  *  ssl.key.location (or environment variable VAULT_CLIENT_KEY): client private key for mutual TLS.\n\n\n\n  *  An empty or unset CA value keeps verification enabled; it does not silently disable verification.\n\n\n\n  *  Confluent Platform: Not affected. The vulnerability resides in the confluent-kafka Python client library and does not affect Confluent Platform server components or their released versions.\n  *  Confluent Cloud: Not affected. No remediation is required for Confluent Cloud.",
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