CVE-2026-28367
CRITICAL
INFO
Priority: 0.07
BB Relevance:
78/100
Published: 2026-03-27
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
None
Description
A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending `\r\r\r` as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer, potentially leading to unauthorized access or manipulation of web requests.
Weakness Classification (1)
Affected Software (10)
| Vendor | Product | Version |
|---|---|---|
| redhat | build_of_apache_camel_-_hawtio | 4.0 |
| redhat | build_of_apache_camel_for_spring_boot | 4.0 |
| redhat | data_grid | 8.0 |
| redhat | fuse | 7.0.0 |
| redhat | jboss_enterprise_application_platform | 7.0.0 |
| redhat | jboss_enterprise_application_platform | 8.0.0 |
| redhat | jboss_enterprise_application_platform_expansion_pack | - |
| redhat | process_automation | 7.0 |
| redhat | single_sign-on | 7.0 |
| redhat | undertow | - |
References & Advisories (4)
Vendor Advisory
Issue Tracking
Vendor Advisory