CVE-2026-28368

8.7 HIGH

A flaw was found in Undertow

Published: 2026-03-27 · Last updated: 2026-06-10

Severity and scoring

CVSS: 8.7 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CWE: CWE-444

Affected products

Vendor	Product
redhat	build_of_apache_camel_-_hawtio, build_of_apache_camel_for_spring_boot, data_grid

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-28368
[Other]https://access.redhat.com/errata/RHSA-2026:25125
[Other]https://access.redhat.com/errata/RHSA-2026:25126
[Vendor advisory]https://access.redhat.com/security/cve/CVE-2026-28368
[Vendor advisory]https://bugzilla.redhat.com/show_bug.cgi?id=2443261

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