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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-28368

Undertow: undertow: request smuggling via inconsistent header parsing

Description

A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks, potentially bypassing security controls and accessing unauthorized resources.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat Red Hat JBoss Enterprise Application Platform 8.1.6

Default version status: affected

  • 2.3.24.SP2-redhat-00001 to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

Default version status: affected

  • 0:2.40.0-7.redhat_00015.1.el8eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

Default version status: affected

  • 0:801.6.1-1.GA_redhat_00001.1.el8eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

Default version status: affected

  • 0:2.3.24-3.SP2_redhat_00001.1.el8eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

Default version status: affected

  • 0:8.1.6-7.GA_redhat_00010.1.el8eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

Default version status: affected

  • 0:2.40.0-7.redhat_00015.1.el9eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

Default version status: affected

  • 0:801.6.1-1.GA_redhat_00001.1.el9eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

Default version status: affected

  • 0:2.3.24-3.SP2_redhat_00001.1.el9eap to < *unaffected

Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

Default version status: affected

  • 0:8.1.6-7.GA_redhat_00010.1.el9eap to < *unaffected

Red Hat Red Hat build of Apache Camel for Spring Boot 4

Default version status: affected

Red Hat Red Hat build of Apache Camel - HawtIO 4

Default version status: unaffected

Red Hat Red Hat Data Grid 8

Default version status: affected

Red Hat Red Hat Enterprise Linux 10

Default version status: unaffected

Red Hat Red Hat Enterprise Linux 8

Default version status: unaffected

Red Hat Red Hat Enterprise Linux 8

Default version status: unaffected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

Red Hat Red Hat Fuse 7

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform 7

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform 8

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform 8

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack

Default version status: affected

Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack

Default version status: unaffected

Red Hat Red Hat Process Automation 7

Default version status: affected

Red Hat Red Hat Single Sign-On 7

Default version status: affected

References