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{"bugzilla": {"description": "confluent-kafka: confluent-kafka: Information disclosure via improper TLS certificate validation in HashiCorp Vault integration", "id": "2544809", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2544809"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.4", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-295", "details": ["A flaw was found in confluent-kafka. The HashiCorp Vault Key Management Service (KMS) integration fails to properly validate Transport Layer Security (TLS) certificates by default. A remote attacker able to intercept network traffic could exploit this flaw to intercept and decrypt sensitive data or tamper with communications between the client and the Vault service."], "name": "CVE-2026-15911", "package_state": [{"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-advisor-backend-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-host-inventory-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-insights-engine-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-puptoo-rhel9", "product_name": "Red Hat Satellite 6"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "satellite/iop-yuptoo-rhel9", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-10-01T18:29:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-15911\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-15911\nhttps://support.confluent.io/hc/en-us/articles/54133146724244-CONFSA-2026-22-CVE-2026-15911-Confluent-Kafka-Python-Client-Vulnerability-TLS-Certificate-verification-disabled-by-default-in-HashiCorp-Vault-KMS-Integration"], "threat_severity": "Important"}