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TI-2026-50788 Aliases CVE-2026-72526GHSA-hp26-rmxw-4cpv

Multicloud-integrations: multicloud-integrations: pull-model propagation allows hub…

Priority MEDIUM 44CWE-441Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

A flaw was found in the multicloud-integrations component. The Application propagation controller processes the `ocm-managed-cluster` annotation from an Application Custom Resource (CR) without proper validation. A tenant with permissions to create Applications on the hub cluster can exploit this to target arbitrary managed clusters. This can force ArgoCD on the spoke clusters to synchronize attacker-controlled manifests, leading to arbitrary code execution or privilege escalation on those clusters.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00705 53rd percentileScored 2026-11-07
Fix Fixed Red Hat: 6 advisories

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.11—1787260689Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.13—1787259106Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.14—1787183407Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.15—1787238604Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.16—1787252179Patch availableCNA
Red HatRed Hat Advanced Cluster Management for Kubernetes 2.17—1787243221Patch availableCNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.11 VendorRed Hat Affected — Fixed in 1787260689 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.13 VendorRed Hat Affected — Fixed in 1787259106 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.14 VendorRed Hat Affected — Fixed in 1787183407 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.15 VendorRed Hat Affected — Fixed in 1787238604 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.16 VendorRed Hat Affected — Fixed in 1787252179 Patch available CNA
  • Red Hat Advanced Cluster Management for Kubernetes 2.17 VendorRed Hat Affected — Fixed in 1787243221 Patch available CNA

CPE names CNA · 6

CPEVersionsRoleVendor
cpe:/a:redhat:acm:2.11::el92.11—Red Hat
cpe:/a:redhat:acm:2.13::el92.13—Red Hat
cpe:/a:redhat:acm:2.14::el92.14—Red Hat
cpe:/a:redhat:acm:2.15::el92.15—Red Hat
cpe:/a:redhat:acm:2.16::el92.16—Red Hat
cpe:/a:redhat:acm:2.17::el92.17—Red Hat
  • cpe:/a:redhat:acm:2.11::el9 Versions 2.11 — ·Red Hat
  • cpe:/a:redhat:acm:2.13::el9 Versions 2.13 — ·Red Hat
  • cpe:/a:redhat:acm:2.14::el9 Versions 2.14 — ·Red Hat
  • cpe:/a:redhat:acm:2.15::el9 Versions 2.15 — ·Red Hat
  • cpe:/a:redhat:acm:2.16::el9 Versions 2.16 — ·Red Hat
  • cpe:/a:redhat:acm:2.17::el9 Versions 2.17 — ·Red Hat

Remediation

Red Hat 6 advisories

  • RHSA-2026:60391 Released 2026-08-26 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.16.4 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.16 registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9 +19
  • RHSA-2026:60390 Released 2026-08-26 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.13.11 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.13 registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9 +23
  • RHSA-2026:60388 Released 2026-08-26 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.14.4 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.14 registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9 +26
Show 3 more Red Hat advisories
  • RHSA-2026:60389 Released 2026-08-26 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.15.6 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.15 registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9, registry.redhat.io/rhacm2/acm-must-gather-rhel9 +19
  • RHSA-2026:60387 Released 2026-08-26 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.11.11 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.11 registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-must-gather-rhel9, registry.redhat.io/rhacm2/acm-prometheus-config-reloader-rhel9 +24
  • RHSA-2026:60386 Released 2026-08-26 · Red Hat rating Important
    Red Hat Advanced Cluster Management for Kubernetes v2.17.1 security update
    • Red Hat Advanced Cluster Management for Kubernetes 2.17 registry.redhat.io/rhacm2/acm-governance-policy-addon-controller-rhel9, registry.redhat.io/rhacm2/acm-grafana-rhel9, registry.redhat.io/rhacm2/acm-multicluster-observability-addon-rhel9 +31

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Advanced Cluster Management for Kubernetes 2.11Fixed RHSA-2026:60387
Red Hat Advanced Cluster Management for Kubernetes 2.13Fixed RHSA-2026:60390
Red Hat Advanced Cluster Management for Kubernetes 2.14Fixed RHSA-2026:60388
Red Hat Advanced Cluster Management for Kubernetes 2.15Fixed RHSA-2026:60389
Red Hat Advanced Cluster Management for Kubernetes 2.16Fixed RHSA-2026:60391
Red Hat Advanced Cluster Management for Kubernetes 2.17Fixed RHSA-2026:60386
Not affected: 6 products
  • Red Hat Advanced Cluster Management for Kubernetes 2.11
  • Red Hat Advanced Cluster Management for Kubernetes 2.13
  • Red Hat Advanced Cluster Management for Kubernetes 2.14
  • Red Hat Advanced Cluster Management for Kubernetes 2.15
  • Red Hat Advanced Cluster Management for Kubernetes 2.16
  • Red Hat Advanced Cluster Management for Kubernetes 2.17

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-72526
  2. 2026-10-03 Alias added: GHSA-hp26-rmxw-4cpv

References

  • TI-2019-15875 Protection mechanism failure in Jenkins Pipeline: Groovy Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-15874 Protection mechanism failure in Jenkins Script Security Plugin KEVCVSS 3.1CRITICAL 9.9
  • TI-2019-08259 Underflow in PHP-FPM can lead to RCE KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05363 Code injection in Elastic Kibana KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-03949 Out-of-bounds write in ESXi and Horizon DaaS KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-16080 A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153… KEVCVSS 3.1CRITICAL 9.8
See all 7413 →

Sources