Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-64927
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11 — Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and configmap mutation via spec.secretref.namespace confused deputy
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N C L L N 6.4 .0033 23.6 —
AFFECTED
Product Versions Fixed
Red Hat Advanced Cluster Management for Kubernetes 2.11 unspecified 1787260663
Red Hat Advanced Cluster Management for Kubernetes 2.13 unspecified 1787259310
Red Hat Advanced Cluster Management for Kubernetes 2.14 unspecified 1787172840
Red Hat Advanced Cluster Management for Kubernetes 2.15 unspecified 1787238600
Red Hat Advanced Cluster Management for Kubernetes 2.16 unspecified 1787242105
Red Hat Advanced Cluster Management for Kubernetes 2.17 unspecified 1787242099
TIMELINE
Aug 11 Reserved by redhat
Aug 12 Published (CNA: redhat)
Aug 26 PATCH SHIPPED — CVE-2026-64927 (Red Hat Advanced Cluster Management for Kubernetes 2.11). Fixed in Red Hat Advanced Cluster Management for Kubernetes 2.11 1787260663.
Description
A flaw was found in the multicloud-operators-channel component. This vulnerability allows a user with specific permissions to manipulate how the system handles sensitive information, known as Secrets, across different parts of the system (namespaces). By exploiting this, an attacker can modify these Secrets in unauthorized areas. This could lead to unauthorized access to information or elevated privileges within the system.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 11, 2026 | Reserved | Reserved by redhat |
| August 12, 2026 | Published | Published (CNA: redhat) |
| August 26, 2026 | PATCH SHIPPED | PATCH SHIPPED — CVE-2026-64927 (Red Hat Advanced Cluster Management for Kubernetes 2.11). Fixed in Red Hat Advanced Cluster Management for Kubernetes 2.11 1787260663. |
Affected
Affected products and packages — 6 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.11 | — | — | 1787260663 |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.13 | — | — | 1787259310 |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.14 | — | — | 1787172840 |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.15 | — | — | 1787238600 |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.16 | — | — | 1787242105 |
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.17 | — | — | 1787242099 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-64927 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
