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High 7.4Published Oct 1, 2026
CVE-2026-15911Confluent Kafka Python Improper TLS Certificate Validation
Updated under an hour ago ()
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It affects confluent-kafka. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.20%, higher than 9% of scored CVEs.
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Confluent Kafka Python client's HashiCorp Vault KMS integration could allow a remote attacker to obtain sensitive information due to improper TLS certificate validation.
- CVSS
- 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.20% (percentile 9)
- Assigned by
- ibm
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
confluent confluent-kafka confluent:confluent-kafka | through 2.14.2 | CNA record |
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-Integrationvendor-advisory, patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.