Description
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 products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| confluent | confluent-kafka | ≤ 2.14.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | python-confluent-kafka | 2.15.1-1.1 | openSUSE-SU-2026:12006-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
rahulreddykarne/CVE-2026-15911-Confluent_Kafka ★ 0 · Sep 26, 2026
Disabled TLS Certificate Verification for HashiCorp Vault KMS in confluent-kafka
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- openSUSE-SU-2026:12006-1 python313-confluent-kafka-2.15.1-1.1 on GA media SUSE / openSUSE Security Updates · Oct 5, 2026