CVE-2026-11807 Eda-server: websocket missing authorization allows credential theft via activation_id spoofing
Authenticated users can steal plaintext credentials by spoofing activation IDs in the Event-Driven Ansible websocket API due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-11807?
CVE-2026-11807 is a critical missing authorization vulnerability in Red Hat Ansible Automation Platform 2.5, published on 23 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A missing authorization vulnerability was found in the Event-Driven Ansible (EDA) websocket API. The /api/eda/ws/ansible-rulebook endpoint does not verify user permissions when processing Worker messages. Any authenticated user can send a forged message with an arbitrary activation_id to receive plaintext credentials associated with that activation, including OAuth tokens, vault passwords, and SSH keys.
Weakness: CWE-862
Which versions are affected by CVE-2026-11807?
Linux distribution packages (15)
automation-eda-controller Red Hat:ansible_automation_platform:2.5::el8 | All versions | 0:1.1.19-1.el8ap |
automation-eda-controller-base Red Hat:ansible_automation_platform:2.5::el8 | All versions | 0:1.1.19-1.el8ap |
automation-eda-controller-base-services Red Hat:ansible_automation_platform:2.5::el8 | All versions | 0:1.1.19-1.el8ap |
automation-eda-controller-event-stream-services Red Hat:ansible_automation_platform:2.5::el8 | All versions | 0:1.1.19-1.el8ap |
automation-eda-controller-worker-services Red Hat:ansible_automation_platform:2.5::el8 | All versions | 0:1.1.19-1.el8ap |
automation-eda-controller Red Hat:ansible_automation_platform:2.5::el9 | All versions | 0:1.1.19-1.el9ap |
automation-eda-controller-base Red Hat:ansible_automation_platform:2.5::el9 | All versions | 0:1.1.19-1.el9ap |
automation-eda-controller-base-services Red Hat:ansible_automation_platform:2.5::el9 | All versions | 0:1.1.19-1.el9ap |
automation-eda-controller-event-stream-services Red Hat:ansible_automation_platform:2.5::el9 | All versions | 0:1.1.19-1.el9ap |
automation-eda-controller-worker-services Red Hat:ansible_automation_platform:2.5::el9 | All versions | 0:1.1.19-1.el9ap |
automation-eda-controller Red Hat:ansible_automation_platform:2.6::el9 | All versions | 0:1.2.9-2.el9ap |
automation-eda-controller-base Red Hat:ansible_automation_platform:2.6::el9 | All versions | 0:1.2.9-2.el9ap |
automation-eda-controller-base-services Red Hat:ansible_automation_platform:2.6::el9 | All versions | 0:1.2.9-2.el9ap |
automation-eda-controller-event-stream-services Red Hat:ansible_automation_platform:2.6::el9 | All versions | 0:1.2.9-2.el9ap |
automation-eda-controller-worker-services Red Hat:ansible_automation_platform:2.6::el9 | All versions | 0:1.2.9-2.el9ap |
How do I fix CVE-2026-11807?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-11807 being exploited?
There is no known exploitation of CVE-2026-11807 in the wild and no public exploit code.
Sources
Also known as GHSA-3w6r-r33r-cfg6, RHSA-2026:28376, RHSA-2026:28377.