by Kastro CVE-2026-28367
Red Hat Red Hat JBoss Enterprise Application Platform 8.1.6 — Undertow: undertow: request smuggling via `\r\r\r` as a header block terminator
Description · from the CVE record
A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending `\r\r\r` as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer, potentially leading to unauthorized access or manipulation of web requests.
Affected
ProductAffectedFixed inSource
Red Hat JBoss Enterprise Application Platform 8.1.6see advisory2.3.24.SP2-redhat-00001CNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8see advisory0:2.40.0-7.redhat_00015.1.el8eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8see advisory0:801.6.1-1.GA_redhat_00001.1.el8eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8see advisory0:2.3.24-3.SP2_redhat_00001.1.el8eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8see advisory0:8.1.6-7.GA_redhat_00010.1.el8eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9see advisory0:2.40.0-7.redhat_00015.1.el9eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9see advisory0:801.6.1-1.GA_redhat_00001.1.el9eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9see advisory0:2.3.24-3.SP2_redhat_00001.1.el9eapCNA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9see advisory0:8.1.6-7.GA_redhat_00010.1.el9eapCNA
Red Hat build of Apache Camel for Spring Boot 4see advisory–CNA
Red Hat build of Apache Camel - HawtIO 4see advisory–CNA
Red Hat Data Grid 8see advisory–CNA
Scores by source
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
redhat (CNA)8.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total