RHEL 8 / 9 : Satellite 6.16.14 Async Update (Critical) (RHSA-2026:74506)

high Nessus Plugin ID 362468

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-2026:74506 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):

* python-dynaconf: Dynaconf: Arbitrary code execution via Server-Side Template Injection [rhn_satellite_6.16] (CVE-2026-33154)

* foreman: Excessive Permissions for Viewer Role on Preview [rhn_satellite_6.16] (CVE-2026-96659)

* foreman: Safemode Bypass leading to RCE [rhn_satellite_6.16] (CVE-2026-96658)

* satellite:el8/python-sqlparse: sqlparse: Denial of Service via inefficient SQL parsing [rhn_satellite_6.16] (CVE-2026-59893)

* python-sqlparse: sqlparse: Denial of Service via inefficient SQL parsing [rhn_satellite_6.16] (CVE-2026-59893)

* satellite:el8/python-sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in SQL parsing [rhn_satellite_6.16] (CVE-2026-54284)

* python-sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in SQL parsing [rhn_satellite_6.16] (CVE-2026-54284)

* satellite:el8/yggdrasil-worker-forwarder: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages [rhn_satellite_6.16] (CVE-2026-56862)

* satellite:el8/yggdrasil-worker-forwarder: Go html/template: Cross-Site Scripting via pathological input [rhn_satellite_6.16] (CVE-2026-56858)

* satellite:el8/yggdrasil-worker-forwarder: golang net/url: Denial of Service from quadratic complexity in path resolution [rhn_satellite_6.16] (CVE-2026-56860)

* satellite:el8/yggdrasil-worker-forwarder: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal [rhn_satellite_6.16] (CVE-2026-33818)

* satellite:el8/rubygem-katello: Katello Content View History API Cross-Organization Authorization Bypass [rhn_satellite_6.16] (CVE-2026-79654)

* python-gitpython: GitPython: Arbitrary file read via TagReference.create() [rhn_satellite_6.16] (CVE-2026-78679)

* python-gitpython: GitPython: Remote Code Execution via Git directory impersonation [rhn_satellite_6.16] (CVE-2026-87817)

* satellite-capsule:el8/python-lxml: lxml: URL bypass vulnerability in Cleaner via missing xlink:href [rhn_satellite_6.16] (CVE-2026-49825)

* yggdrasil-worker-forwarder: Golang MIME: Denial of Service via maliciously-crafted MIME header [rhn_satellite_6.16] (CVE-2026-42504)

* satellite:el8/yggdrasil-worker-forwarder: Golang MIME: Denial of Service via maliciously-crafted MIME header [rhn_satellite_6.16] (CVE-2026-42504)

* rubygem-katello: Katello Content View History API Cross-Organization Authorization Bypass [rhn_satellite_6.16] (CVE-2026-79654)

* yggdrasil-worker-forwarder: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal [rhn_satellite_6.16] (CVE-2026-33818)

* yggdrasil-worker-forwarder: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages [rhn_satellite_6.16] (CVE-2026-56862)

* yggdrasil-worker-forwarder: Go html/template: Cross-Site Scripting via pathological input [rhn_satellite_6.16] (CVE-2026-56858)

* yggdrasil-worker-forwarder: golang net/url: Denial of Service from quadratic complexity in path resolution [rhn_satellite_6.16] (CVE-2026-56860)

* satellite:el8/rubygem-katello: improper authorization logic allows resource enumeration [rhn_satellite_6.16] (CVE-2026-56098)

* rubygem-katello: improper authorization logic allows resource enumeration [rhn_satellite_6.16] (CVE-2026-56098)

* rubygem-katello: SQL injection in Registry Proxy via labels [rhn_satellite_6.16] (CVE-2026-56097)

* satellite:el8/rubygem-katello: SQL injection in Registry Proxy via labels [rhn_satellite_6.16] (CVE-2026-56097)

* satellite-utils:el8/rubygem-hammer_cli: command injection via insecure editor invocation [rhn_satellite_6.16] (CVE-2026-12545)

* rubygem-hammer_cli: command injection via insecure editor invocation [rhn_satellite_6.16] (CVE-2026-12545)

* foreman: SSTI and insecure deserialization in foreman-rake configuration [rhn_satellite_6.16] (CVE-2026-12544)

* satellite:el8/foreman: SSTI and insecure deserialization in foreman-rake configuration [rhn_satellite_6.16] (CVE-2026-12544)

* satellite:el8/foreman: command injection in foreman-tail [rhn_satellite_6.16] (CVE-2026-12542)

* foreman: command injection in foreman-tail [rhn_satellite_6.16] (CVE-2026-12542)

* satellite:el8/foreman: command injection in foreman-rake database tasks [rhn_satellite_6.16] (CVE-2026-12541)

* foreman: command injection in foreman-rake database tasks [rhn_satellite_6.16] (CVE-2026-12541)

* satellite:el8/foreman: command injection in foreman-rake errors:fetch_log via request_id parameter [rhn_satellite_6.16] (CVE-2026-12540)

* foreman: command injection in foreman-rake errors:fetch_log via request_id parameter [rhn_satellite_6.16] (CVE-2026-12540)

* satellite:el8/foreman: unauthenticated information disclosure via provisioning token validation flaw [rhn_satellite_6.16] (CVE-2026-12423)

* foreman: unauthenticated information disclosure via provisioning token validation flaw [rhn_satellite_6.16] (CVE-2026-12423)

* satellite:el8/rubygem-foreman_remote_execution: command injection in job invocations via effective_user parameter [rhn_satellite_6.16] (CVE-2026-12405)

* rubygem-foreman_remote_execution: command injection in job invocations via effective_user parameter [rhn_satellite_6.16] (CVE-2026-12405)

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-2026:74506

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

https://bugzilla.redhat.com/show_bug.cgi?id=2449774

https://bugzilla.redhat.com/show_bug.cgi?id=2484204

https://bugzilla.redhat.com/show_bug.cgi?id=2488952

https://bugzilla.redhat.com/show_bug.cgi?id=2488956

https://bugzilla.redhat.com/show_bug.cgi?id=2489969

https://bugzilla.redhat.com/show_bug.cgi?id=2489970

https://bugzilla.redhat.com/show_bug.cgi?id=2489971

https://bugzilla.redhat.com/show_bug.cgi?id=2489992

https://bugzilla.redhat.com/show_bug.cgi?id=2489993

https://bugzilla.redhat.com/show_bug.cgi?id=2490542

https://bugzilla.redhat.com/show_bug.cgi?id=2490543

https://bugzilla.redhat.com/show_bug.cgi?id=2515815

https://bugzilla.redhat.com/show_bug.cgi?id=2515820

https://bugzilla.redhat.com/show_bug.cgi?id=2515838

https://bugzilla.redhat.com/show_bug.cgi?id=2515839

https://bugzilla.redhat.com/show_bug.cgi?id=2517523

https://bugzilla.redhat.com/show_bug.cgi?id=2517527

https://bugzilla.redhat.com/show_bug.cgi?id=2520368

https://bugzilla.redhat.com/show_bug.cgi?id=2523205

https://bugzilla.redhat.com/show_bug.cgi?id=2523348

https://bugzilla.redhat.com/show_bug.cgi?id=2530744

https://bugzilla.redhat.com/show_bug.cgi?id=2534185

https://bugzilla.redhat.com/show_bug.cgi?id=2536844

http://www.nessus.org/u?20708153

Plugin Details

Severity: High

ID: 362468

File Name: redhat-RHSA-2026-74506.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/1/2026

Updated: 10/1/2026

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: High

Score: 7

Percentile: 98.05

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 8

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-96659

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

CVSS Score Source: CVE-2026-33154

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 7.4

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-87817

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:foreman-cli, p-cpe:/a:redhat:enterprise_linux:foreman-debug, p-cpe:/a:redhat:enterprise_linux:foreman-dynflow-sidekiq, p-cpe:/a:redhat:enterprise_linux:foreman-ec2, p-cpe:/a:redhat:enterprise_linux:foreman-journald, 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-pcp, p-cpe:/a:redhat:enterprise_linux:foreman-postgresql, p-cpe:/a:redhat:enterprise_linux:foreman-redis, p-cpe:/a:redhat:enterprise_linux:foreman-service, p-cpe:/a:redhat:enterprise_linux:foreman-telemetry, p-cpe:/a:redhat:enterprise_linux:foreman-vmware, p-cpe:/a:redhat:enterprise_linux:foreman, p-cpe:/a:redhat:enterprise_linux:python-dynaconf, p-cpe:/a:redhat:enterprise_linux:python-gitpython, p-cpe:/a:redhat:enterprise_linux:python-lxml, p-cpe:/a:redhat:enterprise_linux:python-sqlparse, p-cpe:/a:redhat:enterprise_linux:python3.11-dynaconf, p-cpe:/a:redhat:enterprise_linux:python3.11-gitpython, p-cpe:/a:redhat:enterprise_linux:python3.11-lxml, p-cpe:/a:redhat:enterprise_linux:python3.11-sqlparse, p-cpe:/a:redhat:enterprise_linux:rubygem-foreman_remote_execution-cockpit, p-cpe:/a:redhat:enterprise_linux:rubygem-foreman_remote_execution, p-cpe:/a:redhat:enterprise_linux:rubygem-hammer_cli, p-cpe:/a:redhat:enterprise_linux:rubygem-katello, p-cpe:/a:redhat:enterprise_linux:rubygem-safemode, p-cpe:/a:redhat:enterprise_linux:yggdrasil-worker-forwarder

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/1/2026

Vulnerability Publication Date: 3/18/2026

Reference Information

CVE: CVE-2026-12405, CVE-2026-12423, CVE-2026-12540, CVE-2026-12541, CVE-2026-12542, CVE-2026-12544, CVE-2026-12545, CVE-2026-33154, CVE-2026-33818, CVE-2026-42504, CVE-2026-49825, CVE-2026-54284, CVE-2026-56097, CVE-2026-56098, CVE-2026-56858, CVE-2026-56860, CVE-2026-56862, CVE-2026-59893, CVE-2026-78679, CVE-2026-79654, CVE-2026-87817, CVE-2026-96658, CVE-2026-96659

CWE: 1050, 1333, 166, 203, 22, 267, 306, 502, 639, 770, 776, 78, 79, 89, 917

RHSA: 2026:74506