Findings

CVE-2026-28367

A flaw was found in Undertow.

Published Mar 27, 2026 · updated Oct 14, 2026 · redhat build of apache camel - hawtio

A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending 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.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 27, 2026 · NIST NVD

    Detected

    A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending 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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending 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.

Affected

  • cpe redhat/build of apache camel - hawtio4.0
  • cpe redhat/build of apache camel for spring boot4.0
  • cpe redhat/data grid8.0
  • cpe redhat/fuse7.0.0
  • cpe redhat/jboss enterprise application platform7.0.0
  • cpe redhat/jboss enterprise application platform8.0.0
  • cpe redhat/jboss enterprise application platform expansion packversion unspecified
  • cpe redhat/process automation7.0

Sources

  • CVE.orgCVE-2026-28367

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-28367

    30-day exploitation probability 0.9%

    first.org
  • NIST NVDCVE-2026-28367

    A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending 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

    nvd.nist.gov

References