CVE-2026-11807
Eda-server: websocket missing authorization allows credential theft via activation_id spoofing
CVSS Score
9.6
EPSS Score
0.4%
EPSS Percentile
29th
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.
| CWE | CWE-862 |
| Vendor | red hat |
| Product | red hat ansible automation platform 2.5 for rhel 8 |
| Published | Jun 23, 2026 |
| Last Updated | Jul 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
Red Hat / Red Hat Ansible Automation Platform 2.5 for RHEL 8
All versions affected Red Hat / Red Hat Ansible Automation Platform 2.5 for RHEL 9
All versions affected Red Hat / Red Hat Ansible Automation Platform 2.6 for RHEL 9
All versions affected Red Hat / Red Hat Ansible Automation Platform 2.5
All versions affected Red Hat / Red Hat Ansible Automation Platform 2.6
All versions affected Red Hat / Red Hat Ansible Automation Platform 2.7
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:28376 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:28377 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:28440 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:28492 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:28497 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-11807 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2487036 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-11807.json
Credits
This issue was discovered by Chris Meyers (Red Hat, Inc.).