RHSA-2026:74503 - Security Advisory

Topic

A new release is now available for Red Hat Satellite 6.19 for RHEL 9.

Red Hat Product Security has rated this update as having a security impact
of Critical. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

Description

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)

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For detailed instructions how to apply this update, refer to:

https://docs.redhat.com/en/documentation/red_hat_satellite/6.19/html/updating_red_hat_satellite/index

Affected Products

• Red Hat Satellite 6.19 x86_64
• Red Hat Satellite Capsule 6.19 x86_64
• Red Hat Enterprise Linux for x86_64 9 x86_64

Fixes

• SAT-50183 - Cloning a locked webhook template via Hammer creates a locked clone
• SAT-50184 - Automatic Capsule sync is not triggered during subsequent Rolling Content View refreshes in Satellite 6.18
• SAT-50185 - PG::InternalError: ERROR: invalid memory alloc request size 1714242091 when using "Host - Available Errata" report template
• SAT-50187 - Adding hosts to a large host collection is slow
• SAT-50584 - JSON output in report template downloads is double-encoded
• SAT-50904 - After upgrading Satellite from 6.18 to 6.19, API returns 404 and hosts appear unregistered from Insights

CVEs

• 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

References

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