RHEL 8 / 9 : Satellite 6.16.10 Async Update (Important) (RHSA-2026:34367)

high Nessus Plugin ID 324600

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34367 advisory.

Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other client systems. It performs provisioning and configuration management of predefined standard operating environments.

Security Fix(es):

* satellite-capsule:el8/foreman: Foreman: Privilege escalation to administrator-level access via usergroup role assignment manipulation (CVE-2026-5136)

* foreman: Foreman: Privilege escalation to administrator-level access via usergroup role assignment manipulation (CVE-2026-5136)

* foreman: Foreman: Information disclosure via improper validation of nested request parameters (CVE-2026-5138)

* satellite-capsule:el8/foreman: Foreman: Information disclosure via improper validation of nested request parameters (CVE-2026-5138)

* satellite-capsule:el8/foreman: Foreman: Unauthorized modification of host configurations via broken access control (CVE-2026-5135)

* foreman: Foreman: Unauthorized modification of host configurations via broken access control (CVE-2026-5135)

* foreman: foreman: Cross-tenant private SSH key disclosure via taxonomy scoping bypass (CVE-2026-5142)

* satellite-capsule:el8/foreman: foreman: Cross-tenant private SSH key disclosure via taxonomy scoping bypass (CVE-2026-5142)

Bug Fix(es):

* foreman-maintain from eus repository not enabling proper repos (SAT-47220)

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

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

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2026:34367

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2452230

https://bugzilla.redhat.com/show_bug.cgi?id=2452970

https://bugzilla.redhat.com/show_bug.cgi?id=2452971

https://bugzilla.redhat.com/show_bug.cgi?id=2452999

https://issues.redhat.com/browse/SAT-47220

http://www.nessus.org/u?0565d549

Plugin Details

Severity: High

ID: 324600

File Name: redhat-RHSA-2026-34367.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/1/2026

Updated: 7/1/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.08

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-5136

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:foreman, p-cpe:/a:redhat:enterprise_linux:foreman-debug, p-cpe:/a:redhat:enterprise_linux:foreman-postgresql, p-cpe:/a:redhat:enterprise_linux:foreman-ec2, p-cpe:/a:redhat:enterprise_linux:foreman-libvirt, p-cpe:/a:redhat:enterprise_linux:foreman-openstack, p-cpe:/a:redhat:enterprise_linux:foreman-ovirt, p-cpe:/a:redhat:enterprise_linux:foreman-vmware, p-cpe:/a:redhat:enterprise_linux:foreman-cli, p-cpe:/a:redhat:enterprise_linux:foreman-journald, p-cpe:/a:redhat:enterprise_linux:foreman-telemetry, p-cpe:/a:redhat:enterprise_linux:foreman-dynflow-sidekiq, p-cpe:/a:redhat:enterprise_linux:foreman-service, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:foreman-redis, p-cpe:/a:redhat:enterprise_linux:foreman-pcp

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: 7/1/2026

Vulnerability Publication Date: 7/1/2026

Reference Information

CVE: CVE-2026-5135, CVE-2026-5136, CVE-2026-5138, CVE-2026-5142

CWE: 266, 639

RHSA: 2026:34367