Security Advisory

CVE-2026-28367

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-03-27 16:13:05

Last updated 2026-06-29 09:26:59

Assigner redhat

CVSS score not scored

State PUBLISHED

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.

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