CVE-2026-11807

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Authentication Bypass in Event-Driven Ansible Websocket API

Publication date: 2026-06-23

Last updated on: 2026-06-27

Assigner: Red Hat, Inc.

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-23

Last Modified

2026-06-27

Generated

2026-07-14

AI Q&A

2026-06-24

EPSS Evaluated

2026-07-13

NVD

CVE-2026-11807

Affected Vendors & Products

Vendor	Product	Version / Range
redhat	event_driven_ansible	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Compliance Impact

This vulnerability allows any authenticated user to obtain plaintext credentials, including OAuth tokens, vault passwords, and SSH keys, due to missing authorization checks in the Event-Driven Ansible websocket API.

Exposure of such sensitive credentials can lead to unauthorized access to protected data and systems, potentially resulting in violations of data protection regulations such as GDPR and HIPAA, which require strict controls over access to sensitive information.

Therefore, this vulnerability poses a significant risk to compliance with common standards and regulations that mandate confidentiality and integrity of sensitive data.

Mitigation Strategies

To mitigate the vulnerability CVE-2026-11807, you should apply the security updates provided by Red Hat for the Ansible Automation Platform.

Apply the patch or update for Red Hat Ansible Automation Platform 2.6 Container Release as described in RHSA-2026:28492.
For Red Hat Ansible Automation Platform 2.5, apply the updates referenced in RHSA-2026:28376 and RHSA-2026:28497.
Ensure all previously released errata relevant to your systems are applied before installing these updates.

If further assistance is needed, contact Red Hat support as indicated in the advisories.

Executive Summary

This vulnerability is a missing authorization issue in the Event-Driven Ansible (EDA) websocket API. Specifically, the /api/eda/ws/ansible-rulebook endpoint does not check user permissions when processing Worker messages. As a result, any authenticated user can send a forged message with an arbitrary activation_id and receive plaintext credentials related to that activation, such as OAuth tokens, vault passwords, and SSH keys.

Impact Analysis

This vulnerability can have a severe impact because it allows authenticated users to obtain sensitive plaintext credentials, including OAuth tokens, vault passwords, and SSH keys. This unauthorized access can lead to credential compromise, unauthorized access to systems and data, and potential escalation of privileges within the affected environment.

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