Red Hat Product Errata RHSA-2026:36345 - Security Advisory Issued: 2026-07-07 Updated: 2026-07-07 RHSA-2026:36345 - Security Advisory Overview Synopsis Moderate: Red Hat JBoss Enterprise Application Platform 8.1.7 security update Type/Severity Security Advisory: Moderate Topic A security update is now available for Red Hat JBoss Enterprise Application Platform 8.1. 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. Description Red Hat JBoss Enterprise Application Platform 8 is a platform for Java applications based on the WildFly application runtime. This release of Red Hat JBoss Enterprise Application Platform 8.1.7 serves as a replacement for Red Hat JBoss Enterprise Application Platform 8.1.6, and includes bug fixes and enhancements. See the Red Hat JBoss Enterprise Application Platform 8.1.7 Release Notes for information about the most significant bug fixes and enhancements included in this release. Security Fix(es): io.undertow.jastow-jastow: Jastow Cross-Site Scripting attack due to unsanitized URI (CVE-2025-12799) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Solution Before applying the update, make sure all previously released errata relevant to your system have been applied. Also, back up your existing installation, including all applications, configuration files, databases and database settings. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Affected Products JBoss Enterprise Application Platform Text-Only Advisories x86_64 Fixes BZ - 2413071 - CVE-2025-12799 jastow: Jastow Cross-Site Scripting attack due to unsanitized URI JBEAP-31549 - (8.1.z) Upgrade Jastow from 2.2.9.Final-redhat-00001 to 2.2.9.SP1-redhat-00001 JBEAP-32062 - (8.1.z) Upgrade JGroups from 5.3.21.Final-redhat-00001 to 5.3.23.Final-redhat-00001 JBEAP-32528 - (8.1.z) Upgrade WildFly Elytron from 2.6.8.Final-redhat-00001 to 2.6.9.Final-redhat-00001 JBEAP-32838 - (8.1.z) Upgrade hibernate ORM from 6.6.48.Final-redhat-00001 to 6.6.50.Final-redhat-00001 JBEAP-32871 - (8.1.z) Upgrade JBoss EAP to 8.1.1.GA-redhat-00019 in 8.1 Update 7 JBEAP-32962 - (8.1.z) Upgrade WildFly Core from 27.1.10.Final-redhat-00001 to 27.1.11.Final-redhat-00001 JBEAP-32963 - (8.1.z) Update EAP channel to use wildfly-ee-feature-pack-product-conf x.x.x in EAP 8.1 Update 7 JBEAP-33022 - (8.1.z) Upgrade JBossWS-CXF from 7.3.7.Final-redhat-00001 to 7.3.8.Final-redhat-00001 JBEAP-33158 - (8.1.z) Upgrade WildFly Core from 27.1.11.Final-redhat-00001 to 27.1.12.Final-redhat-00001 JBEAP-33551 - (8.1.z) Upgrade Undertow from 2.3.24.SP2-redhat-00001 to 2.3.24.SP3-redhat-00001 CVEs CVE-2025-12799 References https://access.redhat.com/security/updates/classification/#moderate https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.1 https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.1/html/release_notes_for_red_hat_jboss_enterprise_application_platform_8.1/index https://docs.redhat.com/en/documentation/red_hat_jboss_enterprise_application_platform/8.1/html/red_hat_jboss_enterprise_application_platform_installation_methods/index https://access.redhat.com/articles/7134190 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .