Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 14.5%
CVSS Severity
CVSS v3 Score 8.7