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Critical9.8Red Hat Linux

Critical [CVE-2026-33228] Prototype pollution vulnerability allows arbitrary code execution via crafted JSON.

This critical-severity Red Hat Linux advisory covers CVE-2026-33228 affecting Red Hat Developer Hub 1.8, Red Hat Developer Hub 1.9, Red Hat 3scale API Management Platform 2.

CVE-2026-33228 Published Mar 20, 2026
CVE-2026-33228
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Prototype pollution vulnerability allows arbitrary code execution via crafted JSON.. Red Hat rates this critical (CVSS 9.8).

Weakness: CWE-915. Affected package(s): rhdh/rhdh-hub-rhel9:1777903262, cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279, cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, rhdh/rhdh-hub-rhel9:1776784286.

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

Affected products named by the advisory: Red Hat Developer Hub 1.8; Red Hat Developer Hub 1.9; Red Hat 3scale API Management Platform 2; Red Hat Build of Keycloak; and 2 more.

Affected versions
  • rhdh/rhdh-hub-rhel9:1777903262
  • cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279
  • cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996
  • cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539
  • rhdh/rhdh-hub-rhel9:1776784286

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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