CVE-2026-28368
CRITICAL EPSS 48.7%
Published Mar 27, 20263mo ago · Modified Jun 17, 20261w ago
9.1 CVSS 3.1
Published Mar 27, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None
Threat Intelligence
EPSS Exploit Probability
48.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-444
Affected Products 11
| Vendor | Product | Version | Range |
|---|---|---|---|
| redhat | build_of_apache_camel_-_hawtio | 4.0 | any |
| redhat | build_of_apache_camel_for_spring_boot | 4.0 | any |
| redhat | data_grid | 8.0 | any |
| redhat | fuse | 7.0.0 | any |
| redhat | jboss_enterprise_application_platform | 7.0.0 | any |
| redhat | jboss_enterprise_application_platform | 8.0.0 | any |
| redhat | jboss_enterprise_application_platform_expansion_pack | * | any |
| redhat | process_automation | 7.0 | any |
| redhat | single_sign-on | 7.0 | any |
| redhat | undertow | * | any |
| redhat | enterprise_linux | 9.0 | any |
References 4
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:25125
- access.redhat.com https://access.redhat.com/errata/RHSA-2026:25126
- access.redhat.com https://access.redhat.com/security/cve/CVE-2026-28368
- bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2443261
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.