Vulnerability in Red Hat Build Of Apache Camel For Spring Boot 4

CVE-2026-28367

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.

Vulnerability class: HTTP Request Smuggling

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-28367?
CVE-2026-28367 is a high-severity vulnerability in Red Hat Build Of Apache Camel For Spring Boot 4, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 8.7/10. Published 2026-03-27.
How severe is CVE-2026-28367?
High severity. CVSS v3 base score is 8.7 out of 10.