Red Hat has released a batch of security advisories covering essential packages like nginx, jq, ruby, and PackageKit across multiple versions of its enterprise Linux distribution. The updates address vulnerabilities rated as critical, important, or moderate depending on the specific software component and target system environment. Each advisory includes detailed scoring metrics to help administrators prioritize which patches require immediate attention before deployment. System owners managing specialized services should review these notices carefully since some fixes apply only to particular extended support channels or SAP integration tracks.

RHSA-2026:18024: Important: PackageKit security update
RHSA-2026:18040: Important: jq security update
RHSA-2026:18059: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update
RHSA-2026:18048: Important: jq security update
RHSA-2026:18044: Important: jq security update
RHSA-2026:18046: Important: jq security update
RHSA-2026:18045: Important: jq security update
RHSA-2026:18028: Moderate: libpng security update
RHSA-2026:18025: Important: kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update
RHSA-2026:18030: Important: ruby:3.3 security update
RHSA-2026:18029: Critical: nginx security update
RHSA-2026:18063: Critical: nginx security update
RHSA-2026:18065: Important: ruby security update
RHSA-2026:18043: Important: jq security update
RHSA-2026:18064: Moderate: libpng security update
RHSA-2026:18053: Important: dovecot security update
RHSA-2026:18031: Important: PackageKit security update
RHSA-2026:18047: Important: jq security update
RHSA-2026:18039: Important: ruby security update
RHSA-2026:18054: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update
RHSA-2026:18055: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update
RHSA-2026:18042: Important: jq security update
RHSA-2026:18041: Critical: nginx:1.24 security update
RHSA-2026:18036: Important: PackageKit security update
RHSA-2026:18032: Important: grafana security update
RHSA-2026:18027: Important: grafana-pcp security update

RHSA-2026:18024: Important: PackageKit security update

An update for PackageKit is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18024: Important: PackageKit security update

RHSA-2026:18040: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18040: Important: jq security update

RHSA-2026:18059: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

A security update is now available for Red Hat JBoss Enterprise Application Platform 8.1 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18059: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

RHSA-2026:18048: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18048: Important: jq security update

RHSA-2026:18044: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18044: Important: jq security update

RHSA-2026:18046: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18046: Important: jq security update

RHSA-2026:18045: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18045: Important: jq security update

RHSA-2026:18028: Moderate: libpng security update

An update for libpng is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

RHSA-2026:18028: Moderate: libpng security update

RHSA-2026:18025: Important: kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18025: Important: kpatch-patch-5_14_0-570_17_1, kpatch-patch-5_14_0-570_39_1, kpatch-patch-5_14_0-570_66_1, and kpatch-patch-5_14_0-570_94_1 security update

RHSA-2026:18030: Important: ruby:3.3 security update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18030: Important: ruby:3.3 security update

RHSA-2026:18029: Critical: nginx security update

An update for nginx is now available for Red Hat Enterprise Linux 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.

RHSA-2026:18029: Critical: nginx security update

RHSA-2026:18063: Critical: nginx security update

An update for nginx is now available for Red Hat Enterprise Linux 10.

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.

RHSA-2026:18063: Critical: nginx security update

RHSA-2026:18065: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18065: Important: ruby security update

RHSA-2026:18043: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18043: Important: jq security update

RHSA-2026:18064: Moderate: libpng security update

An update for libpng is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

RHSA-2026:18064: Moderate: libpng security update

RHSA-2026:18053: Important: dovecot security update

An update for dovecot is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18053: Important: dovecot security update

RHSA-2026:18031: Important: PackageKit security update

An update for PackageKit is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18031: Important: PackageKit security update

RHSA-2026:18047: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18047: Important: jq security update

RHSA-2026:18039: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18039: Important: ruby security update

RHSA-2026:18054: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

A security update is now available for Red Hat JBoss Enterprise Application Platform 8.1 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18054: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

RHSA-2026:18055: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

A security update is now available for Red Hat JBoss Enterprise Application Platform 8.1 for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18055: Important: Red Hat JBoss Enterprise Application Platform 8.1.6 security update

RHSA-2026:18042: Important: jq security update

An update for jq is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18042: Important: jq security update

RHSA-2026:18041: Critical: nginx:1.24 security update

An update for the nginx:1.24 module is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:18041: Critical: nginx:1.24 security update

RHSA-2026:18036: Important: PackageKit security update

An update for PackageKit is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

RHSA-2026:18036: Important: PackageKit security update

RHSA-2026:18032: Important: grafana security update

An update for grafana is now available for Red Hat Enterprise Linux 10.0
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of
Important. 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.

RHSA-2026:18032: Important: grafana security update

RHSA-2026:18027: Important: grafana-pcp security update

An update for grafana-pcp is now available for Red Hat Enterprise Linux 10.0
Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of
Important. 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.

RHSA-2026:18027: Important: grafana-pcp security update