CVE-2026-15911CWE-295

CVE-2026-15911

High · published October 1, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
9.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00202 · 9.6th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2026-10-01T23:17Z
References (1)
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 · [email protected]
EPSS history
Timeline
  • 03 OCT 03:42Z
    EPSS moved — → 0%
    epss
  • 01 OCT 18:29Z
    Confluent Kafka Python Improper TLS Certificate Validation
    cvelistv5