8.2
High
CVE-2026-18141 A flaw was found in aap-gateway, a component of Ansible Automation Platform's Event-Driven Ansible (EDA)
Description
A flaw was found in aap-gateway, a component of Ansible Automation Platform's Event-Driven Ansible (EDA). An unauthenticated remote attacker can bypass mutual Transport Layer Security (mTLS) authentication for event streams. This is achieved by manipulating the event stream URL and forging the HTTP Subject header. The system also inadvertently discloses the expected certificate subject in error messages, which simplifies the attack. This vulnerability allows an attacker to inject arbitrary events into EDA, potentially triggering automated workflows.
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 1785435970 | earliest → < 1785435970 | 1785435970 |
| Red Hat Ansible Automation Platform 2.6 for RHEL 9 | Versions not published | |
| Red Hat Ansible Automation Platform 2.6 1785780020 | earliest → < 1785780020 | 1785780020 |
References
- RHSA-2026:50336 access.redhat.com
- RHSA-2026:50340 access.redhat.com
- RHSA-2026:50479 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2508155 bugzilla.redhat.com
Timeline
- Published
- Last modified
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