High [CVE-2026-39363] Information disclosure via WebSocket connection bypasses access control
This high-severity Red Hat Linux advisory covers CVE-2026-39363 affecting Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9, Red Hat Ansible Automation Platform 2.6 for RHEL 9.
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Summary
Information disclosure via WebSocket connection bypasses access control. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-1220. Affected package(s): ansible-automation-platform-tech-preview/mcp-server-rhel9:1779783248, automation-platform-ui, automation-gateway.
Resolved in Red Hat advisory RHSA-2026:24866 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Build of Keycloak; and 3 more.
- ansible-automation-platform-tech-preview/mcp-server-rhel9:1779783248
- automation-platform-ui-0:2.6.9-1.el9ap
- automation-gateway-0:2.5.20260422-3.el8ap
- automation-gateway-0:2.5.20260422-3.el9ap
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:24866
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:24866 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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