CVE-2025-9907: Event-driven-ansible: event stream test mode exposes sensitive headers in aap eda

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-27 · updated 2026-06-17
Weakness: CWE-200

Description

A flaw was found in the Red Hat Ansible Automation Platform, Event-Driven Ansible (EDA) Event Stream API. This vulnerability allows exposure of sensitive client credentials and internal infrastructure headers via the test_headers field when an event stream is in test mode. The possible outcome includes leakage of internal infrastructure details, accidental disclosure of user or system credentials, privilege escalation if high-value tokens are exposed, and persistent sensitive data exposure to all users with read access on the event stream.

Affected products

Red Hat Ansible Automation Platform: before 2.6 — fixed in 2.6
RedHat Ansible Developer: 1.2, 1.3
RedHat Ansible Inside: 1.3, 1.4

How to fix

Upgrade to a fixed version: Red Hat Ansible Automation Platform 2.6. Check the vendor advisory for mitigations.

References

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