RHEL 9 : Satellite 6.19.5 Async Update (Critical) (RHSA-2026:74503)

high Nessus Plugin ID 362390

Synopsis

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

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:74503 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):

* rubygem-foreman_remote_execution: command injection in job invocations via effective_user parameter (CVE-2026-12405)
* foreman: unauthenticated information disclosure via provisioning token validation flaw (CVE-2026-12423)
* foreman: command injection in foreman-rake errors:fetch_log via request_id parameter (CVE-2026-12540)
* foreman: command injection in foreman-rake database tasks (CVE-2026-12541)
* foreman: command injection in foreman-tail (CVE-2026-12542)
* foreman: SSTI and insecure deserialization in foreman-rake configuration (CVE-2026-12544)
* rubygem-hammer_cli: command injection via insecure editor invocation (CVE-2026-12545)
* python3.12-dynaconf: Dynaconf: Arbitrary code execution via Server-Side Template Injection (CVE-2026-33154)
* yggdrasil-worker-forwarder: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)
* yggdrasil-worker-forwarder: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504)
* nodejs-sanitize-html: PostCSS: Information disclosure and denial of service via crafted CSS input (CVE-2026-45623)
* python-sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in SQL parsing (CVE-2026-54284)
* python3.12-sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in SQL parsing (CVE-2026-54284)
* rubygem-katello: SQL injection in Registry Proxy via labels (CVE-2026-56097)
* rubygem-katello: improper authorization logic allows resource enumeration (CVE-2026-56098)
* yggdrasil-worker-forwarder: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)
* yggdrasil-worker-forwarder: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)
* yggdrasil-worker-forwarder: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)
* nodejs-connected-react-router: Immutable.js: Denial of Service due to mishandling of large index values in List operations (CVE-2026-59879)
* nodejs-sass: Immutable.js: Denial of Service due to mishandling of large index values in List operations (CVE-2026-59879)
* python-sqlparse: sqlparse: Denial of Service via inefficient SQL parsing (CVE-2026-59893)
* python3.12-sqlparse: sqlparse: Denial of Service via inefficient SQL parsing (CVE-2026-59893)
* python-sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in comment grouping (CVE-2026-71491)
* python3.12-sqlparse: sqlparse: Denial of Service via quadratic CPU consumption in comment grouping (CVE-2026-71491)
* nodejs-css-loader: nanoid: Predictable ID generation due to integer overflow (CVE-2026-73086)
* nodejs-sanitize-html: nanoid: Predictable ID generation due to integer overflow (CVE-2026-73086)
* nodejs-compression-webpack-plugin: fast-uri: Server-Side Request Forgery via repeated hostname percent- decoding (CVE-2026-75899)
* nodejs-mini-css-extract-plugin: fast-uri: Server-Side Request Forgery via repeated hostname percent- decoding (CVE-2026-75899)
* nodejs-webpack: fast-uri: Server-Side Request Forgery via repeated hostname percent-decoding (CVE-2026-75899)
* nodejs-compression-webpack-plugin: fast-uri: Host confusion via skipped IDN canonicalization (CVE-2026-75931)
* nodejs-mini-css-extract-plugin: fast-uri: Host confusion via skipped IDN canonicalization (CVE-2026-75931)
* nodejs-webpack: fast-uri: Host confusion via skipped IDN canonicalization (CVE-2026-75931)
* nodejs-compression-webpack-plugin: fast-uri: Server-side request forgery via malformed IPv6 normalization (CVE-2026-75975)
* nodejs-mini-css-extract-plugin: fast-uri: Server-side request forgery via malformed IPv6 normalization (CVE-2026-75975)
* nodejs-webpack: fast-uri: Server-side request forgery via malformed IPv6 normalization (CVE-2026-75975)
* python3.12-gitpython: GitPython: Arbitrary file read via TagReference.create() (CVE-2026-78679)
* rubygem-katello: Katello Content View History API Cross-Organization Authorization Bypass (CVE-2026-79654)
* nodejs-compression-webpack-plugin: fast-uri: Authority Injection via Unvalidated Port Serialization (CVE-2026-84292)
* nodejs-mini-css-extract-plugin: fast-uri: Authority Injection via Unvalidated Port Serialization (CVE-2026-84292)
* nodejs-webpack: fast-uri: Authority Injection via Unvalidated Port Serialization (CVE-2026-84292)
* nodejs-compression-webpack-plugin: fast-uri: Host confusion via unbalanced URI brackets can bypass security policies (CVE-2026-84394)
* nodejs-mini-css-extract-plugin: fast-uri: Host confusion via unbalanced URI brackets can bypass security policies (CVE-2026-84394)
* nodejs-webpack: fast-uri: Host confusion via unbalanced URI brackets can bypass security policies (CVE-2026-84394)
* python3.12-gitpython: GitPython: Remote Code Execution via Git directory impersonation (CVE-2026-87817)
* foreman: Safemode Bypass leading to RCE (CVE-2026-96658)
* foreman: Excessive Permissions for Viewer Role on Preview (CVE-2026-96659)

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-2026:74503

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

https://issues.redhat.com/browse/SAT-50183

https://issues.redhat.com/browse/SAT-50184

https://issues.redhat.com/browse/SAT-50185

https://issues.redhat.com/browse/SAT-50187

https://issues.redhat.com/browse/SAT-50584

https://issues.redhat.com/browse/SAT-50904

http://www.nessus.org/u?edc7f0e8

Plugin Details

Severity: High

ID: 362390

File Name: redhat-RHSA-2026-74503.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: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-45623

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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

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

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: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-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:python3.12-dynaconf, p-cpe:/a:redhat:enterprise_linux:python3.12-gitpython, p-cpe:/a:redhat:enterprise_linux:python3.12-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: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-2026-45623, CVE-2026-54284, CVE-2026-56097, CVE-2026-56098, CVE-2026-56858, CVE-2026-56860, CVE-2026-56862, CVE-2026-59879, CVE-2026-59893, CVE-2026-71491, CVE-2026-73086, CVE-2026-75899, CVE-2026-75931, CVE-2026-75975, CVE-2026-78679, CVE-2026-79654, CVE-2026-84292, CVE-2026-84394, CVE-2026-87817, CVE-2026-96658, CVE-2026-96659

CWE: 1050, 1241, 1285, 1289, 1333, 140, 203, 22, 267, 306, 444, 502, 639, 770, 776, 78, 79, 89, 917, 918

RHSA: 2026:74503