Vulnerability Description
A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces. This behavior, which violates HTTP standards, can be exploited by a remote attacker to perform request smuggling. Request smuggling allows an attacker to bypass security mechanisms, access restricted information, or manipulate web caches, potentially leading to unauthorized actions or data exposure.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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 Expansion Pack | - |
| Redhat | Process Automation | 7.0 |
| Redhat | Single Sign-On | 7.0 |
| Redhat | Undertow | - |
| Redhat | Enterprise Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2026-28369Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2443262Issue TrackingVendor Advisory
FAQ
What is CVE-2026-28369?
CVE-2026-28369 is a vulnerability with a CVSS score of 8.7 (HIGH). A flaw was found in Undertow. When Undertow receives an HTTP request where the first header line starts with one or more spaces, it incorrectly processes the request by stripping these leading spaces....
How severe is CVE-2026-28369?
CVE-2026-28369 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-28369?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Build Of Apache Camel - Hawtio, Redhat Build Of Apache Camel For Spring Boot, Redhat Data Grid, Redhat Fuse, Redhat Jboss Enterprise Application Platform.