Prototype pollution vulnerability allows arbitrary code execution via crafted JSON.
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`).
- 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 hours ago·verify at source
- RHSA-2026:13826
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- 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 hours ago·verify at source
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