CVE-2026-28368
published 2026-03-27CVE-2026-28368: A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by…
critical9.1CVSS 3.1
AVNACLPRNUINSUCHIHAN
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
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | undertow | — | — |
| redhat | build_of_apache_camel_for_spring_boot | — | — |
| redhat | build_of_apache_camel_hawtio | — | — |
| redhat | data_grid | — | — |
| redhat | enterprise_linux | — | — |
| redhat | fuse | — | — |
| redhat | jboss_enterprise_application_platform | — | — |
| redhat | jboss_enterprise_application_platform | — | — |
| redhat | process_automation | — | — |
| redhat | single_sign-on | — | — |
CVSS provenance
nvdv3.19.1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
osv9.1CRITICAL