# CVE-2026-96740: Streamshub/console: console-operator: streams for apache kafka console: unfiltered kafka client properties → sa-token exfiltration via config.providers

Status: published. Published: 2026-09-28. Updated: 2026-11-03.

A flaw was found in the StreamsHub Console for Apache Kafka. Tenant-supplied Kafka client properties from the Console custom resource are copied into the console-api AdminClient configuration without filtering security-sensitive keys, allowing a Console CR author to set config.providers and bootstrap.servers to exfiltrate the console-api ServiceAccount token to an attacker-controlled broker.

## Remediation

- workaround: Restrict `create`, `update`, and `patch` permissions for Console custom resources to trusted administrators only. Where supported, apply a NetworkPolicy to restrict Console API egress to approved Kafka broker endpoints. These controls reduce exposure to the reported ServiceAccount-credential disclosure path but do not replace the permanent fix, which is to filter security-sensitive Kafka client properties. Upgrade to a release containing the permanent fix when available. (source: CNA: redhat)

## Affected products and versions

- Red Hat / StreamsHub Console for Apache Kafka® (console): ≥ 0.2.1; < 0.12.9 (affected, semver); ≥ 0.13.0; < 0.14.1 (affected, semver). Source: CNA: redhat
- Red Hat / streams for Apache Kafka 2 (console-operator): Version range not reported. Source: CNA: redhat
- Red Hat / streams for Apache Kafka 3 (console-operator): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.41% as of 2026-11-03; percentile 35.05%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-470

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/security/cve/CVE-2026-96740 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2539427 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://github.com/advisories/GHSA-3rpr-3qjq-fg52 (CNA: redhat)

- https://github.com/streamshub/console/commit/d45897e12 (CNA: redhat)

- https://github.com/streamshub/console/commit/ef13971 (CNA: redhat)

- https://github.com/streamshub/console/pull/2957 (CNA: redhat)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2026-96740; retrieved 2026-11-03; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-96740; retrieved 2026-11-03; source updated Not reported

Revision: 85bad30d886c27f687e8bcccde999319cb672113a8087550b36473c530419db2

Canonical: https://y2.dev/cve/CVE-2026-96740

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