What is CVE-2026-17107?

CVE-2026-17107 is a high-severity vulnerability in Red Hat Multicluster Engine For Kubernetes, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.5/10. Published 2026-07-24.

How severe is CVE-2026-17107?

High severity. CVSS v3 base score is 8.5 out of 10.

Vulnerability in Red Hat Multicluster Engine For Kubernetes

CVE-2026-17107

A flaw was found in the cluster-proxy service-proxy component used in Red Hat Advanced Cluster Management for Kubernetes (RHACM) and multicluster-engine (MCE). The service-proxy appends impersonation group headers to proxied requests witho…

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Red Hat Multicluster Engine For Kubernetes

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)

Frequently asked questions

What is CVE-2026-17107?: CVE-2026-17107 is a high-severity vulnerability in Red Hat Multicluster Engine For Kubernetes, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.5/10. Published 2026-07-24.
How severe is CVE-2026-17107?: High severity. CVSS v3 base score is 8.5 out of 10.