RHEL 8 / 9 : Red Hat Ansible Automation Platform 2.5 Product Security Update (Critical) (RHSA-2026:28376)

critical Nessus Plugin ID 322339

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:28376 advisory.

Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams, while automation developers retain the freedom to write tasks that leverage existing knowledge without the overhead. Ansible Automation Platform makes it possible for users across an organization to share, vet, and manage automation content by means of a simple, powerful, and agentless language.

Security Fix(es):

* automation-eda-controller: Websocket missing authorization allows credential theft via activation_id spoofing (CVE-2026-11807)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: Critical

ID: 322339

File Name: redhat-RHSA-2026-28376.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/24/2026

Updated: 6/24/2026

Supported Sensors: Frictionless Assessment Azure, Nessus Agent, Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.1

Vendor

Vendor Severity: Critical

CVSS v3

Risk Factor: Critical

Base Score: 9.6

Temporal Score: 8.3

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2026-11807

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:automation-eda-controller-base, p-cpe:/a:redhat:enterprise_linux:automation-eda-controller, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:automation-eda-controller-worker-services, p-cpe:/a:redhat:enterprise_linux:automation-eda-controller-base-services, p-cpe:/a:redhat:enterprise_linux:automation-eda-controller-event-stream-services, cpe:/o:redhat:enterprise_linux:8

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/23/2026

Vulnerability Publication Date: 6/23/2026

Reference Information

CVE: CVE-2026-11807

CWE: 862

RHSA: 2026:28376

Detections

Analytics