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Critical9.0Vendor: HighRed Hat Linux

Critical [CVE-2026-40175] Remote Code Execution via Prototype Pollution escalation

This critical-severity Red Hat Linux advisory covers CVE-2026-40175 affecting Red Hat Ansible Automation Platform 2.6 for RHEL 9, Red Hat Advanced Cluster Management for Kubernetes 2.14, Red Hat Advanced Cluster Management for Kubernetes 2.15.

CVE-2026-40175 Published Apr 10, 2026
CVE-2026-40175
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Remote Code Execution via Prototype Pollution escalation. Red Hat rates this important (CVSS 9).

Weakness: CWE-915. Affected package(s): openshift-service-mesh/kiali-rhel9:1776149682, openshift-service-mesh/kiali-ossmc-rhel9:1776151134, rhtas/rhtas-console-rhel9:1776672801, devspaces/dashboard-rhel9:1776795511, openshift-service-mesh/kiali-ossmc-rhel8:1776202125, rhoai/odh-mod-arch-gen-ai-rhel9:1778473763.

Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Advanced Cluster Security for Kubernetes 4.9; and 39 more.

Affected versions
  • openshift-service-mesh/kiali-rhel9:1776149682
  • openshift-service-mesh/kiali-ossmc-rhel9:1776151134
  • rhtas/rhtas-console-rhel9:1776672801
  • devspaces/dashboard-rhel9:1776795511
  • openshift-service-mesh/kiali-ossmc-rhel8:1776202125
  • rhoai/odh-mod-arch-gen-ai-rhel9:1778473763
  • rhoai/odh-dashboard-rhel9:1779189627
  • multicluster-engine/console-mce-rhel9:1777128790
  • openshift4/ose-agent-installer-ui-rhel9:1778539338
  • openshift4/ose-monitoring-plugin-rhel9:1778539219
  • multicluster-engine/console-mce-rhel9:1778383863
  • multicluster-engine/console-mce-rhel9:1777301444

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • RHSA-2026:13826

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:13826 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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