CVE-2026-15911

Thursday, October 01, 2026

7.4

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

Confluent Kafka Python client's HashiCorp Vault KMS integration could allow a remote attacker to obtain sensitive information due to improper TLS certificate validation.

Affected Software

Vendor	Product	Version Range	Status
confluent	confluent-kafka	`0 <= 2.14.2`	affected

Weaknesses

CWE-295: CWE-295 Improper certificate validation

References

https://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

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