Red Hat Security Advisory: General availability of the satellite/iop-puptoo-rhel9 container image
Affects Red HatSource GCVE Database
Not known to be exploited · CVSS 7.4 High : upgrade Red Hat confluent-kafka to 2.14.3 soon.
Data as of 13 Nov 2026, 15:04 UTC
- Patch
- Available – fixed in 2.14.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 1 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade confluent-kafka to 2.14.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| confluentconfluent-kafka | Affected
| Fixed in– |
PyPIconfluent-kafkapkg:pypi/confluent-kafkaOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
The recommended remediation is to update to confluent-kafka Python package version 2.15.0 or later, which enables TLS verification by default and supports CA bundle configuration. Red Hat advises updating affected products once they incorporate the fixed confluent-kafka version.
Description
CVE-2026-15911 is a security vulnerability in the confluent-kafka Python client's integration with HashiCorp Vault Key Management Service (KMS), used for client-side field-level encryption in Schema Registry. The flaw disables TLS certificate verification by default, allowing a remote attacker with network interception capabilities to impersonate the Vault server and intercept or manipulate sensitive data. This affects Red Hat Satellite and Red Hat Insights components that bundle the vulnerable confluent-kafka package. The vulnerability has a high severity rating and requires updating to a fixed version that enables TLS verification by default.
References
- access.redhat.com/errata/RHSA-2026:95676 (opens in a new tab)
- access.redhat.com/documentation/en-us/red_hat_satellite/6.18/html/updating_red_hat_satellite/index (opens in a new tab)
- access.redhat.com/security/cve/CVE-2026-15911 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- catalog.redhat.com/software/containers/search (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_satellite/6.18/html/installing_satellite_server_in_a_connected_network_environment/performing-additional-configuration-on-server_satellite (opens in a new tab)
- docs.redhat.com/en/documentation/red_hat_satellite/6.18/html/installing_satellite_server_in_a_disconnected_network_environment/performing-additional-configuration (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_95676.json (opens in a new tab)