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7.5 High

CVE-2026-12383 A flaw was found in the Event-Driven Ansible (EDA) server

Description

A flaw was found in the Event-Driven Ansible (EDA) server. The ExternalEventStreamViewSet uses permissive access controls (permission_classes=[AllowAny], authentication_classes=[]) and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a trusted proxy. Additionally, the expected certificate Distinguished Name is leaked in the 403 error response body. An attacker who can reach the EDA API endpoint with a spoofed Subject header can inject arbitrary events into mTLS-protected event streams, triggering downstream automation actions.

Affected products and versions

Product Affected versions Fixed in
Red Hat Ansible Automation Platform 2 Versions not published
Red Hat Ansible Automation Platform 2.7 1785374869 earliest → < 1785374869 1785374869
Red Hat Ansible Automation Platform 2.5 for RHEL 8 Versions not published
Red Hat Ansible Automation Platform 2.5 for RHEL 9 Versions not published
Red Hat Ansible Automation Platform 2.6 for RHEL 9 Versions not published

References

Timeline

  1. Published
  2. Last modified

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