Critical9.6Red Hat Linux

Critical [CVE-2026-11807] websocket missing authorization allows credential theft via activation_id spoofing

This critical-severity Red Hat Linux advisory covers CVE-2026-11807 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8.

CVE-2026-11807 Published Jun 23, 2026Updated by vendor Jun 23, 2026

CVE-2026-11807

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

websocket missing authorization allows credential theft via activation_id spoofing. Red Hat rates this critical (CVSS 9.6).

Weakness: CWE-862. Red Hat lists fixing advisory RHSA-2026:28376 with package automation-eda-controller-0:1.2.9-2.el9ap, ansible-automation-platform-26/eda-controller-rhel9:1781732675, automation-eda-controller-0:1.1.19-1.el8ap, ansible-automation-platform-25/eda-controller-rhel8:1781741251.

Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 8.

Affected versions

automation-eda-controller-0:1.2.9-2.el9ap
ansible-automation-platform-26/eda-controller-rhel9:1781732675
automation-eda-controller-0:1.1.19-1.el8ap
ansible-automation-platform-25/eda-controller-rhel8:1781741251
automation-eda-controller-0:1.1.19-1.el9ap

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

Fixed versions

automation-eda-controller-0:1.2.9-2.el9ap
ansible-automation-platform-26/eda-controller-rhel9:1781732675
automation-eda-controller-0:1.1.19-1.el8ap
ansible-automation-platform-25/eda-controller-rhel8:1781741251
automation-eda-controller-0:1.1.19-1.el9ap
RHSA-2026:28376

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

Mitigation checklist

Recommended fix / mitigation

The following practices would help for reducing or avoiding the exposure to this flaw: 1) Restrict network access to the EDA websocket endpoint. 2) Review and limit user accounts with any level of Ansible Automation Platform authentication until the fix is applied.

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

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