CVE-2026-28368

high Apache
CVSS v3 Base Score
8.7
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
EPSS Score
0.7%
Exploitation probability in 30 days
Top 51% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
None
Published: March 27, 2026 (105 days ago)
Last Modified: June 29, 2026
Vendor: Apache
Source: MITRE

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.

CWE

CWE-444

Affected Products

Red Hat Red Hat JBoss Enterprise Application Platform 8.1Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8Red Hat Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9Red Hat Red Hat build of Apache Camel for Spring Boot 4Red Hat Red Hat build of Apache Camel - HawtIO 4Red Hat Red Hat Data Grid 8Red Hat Red Hat Enterprise Linux 10Red Hat Red Hat Enterprise Linux 8Red Hat Red Hat Enterprise Linux 9Red Hat Red Hat Fuse 7

References

🔗 access.redhat.com 🔗 access.redhat.com 🔗 access.redhat.com 🔗 bugzilla.redhat.com