CVE-2026-28367
CVE-2026-28367 · Undertow: undertow: request smuggling via `\r\r\r` as a header block terminator
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
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.
CVSS 8.7 · High · EPSS 0.7%
- Published
- Updated
Stack: system
Affected products and versions
red hat jboss enterprise application platform 8.1.6
- Versions
- ≥ 2.3.24.SP2-redhat-00001: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 8
- Versions
- ≥ 0:2.40.0-7.redhat_00015.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 8
- Versions
- ≥ 0:801.6.1-1.GA_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 8
- Versions
- ≥ 0:2.3.24-3.SP2_redhat_00001.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 8
- Versions
- ≥ 0:8.1.6-7.GA_redhat_00010.1.el8eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 9
- Versions
- ≥ 0:2.40.0-7.redhat_00015.1.el9eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 9
- Versions
- ≥ 0:801.6.1-1.GA_redhat_00001.1.el9eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 9
- Versions
- ≥ 0:2.3.24-3.SP2_redhat_00001.1.el9eap: Not affected (rpm)
No fix published
red hat jboss enterprise application platform 8.1 for rhel 9
- Versions
- ≥ 0:8.1.6-7.GA_redhat_00010.1.el9eap: Not affected (rpm)
No fix published
red hat build of apache camel for spring boot 4
No fix published
red hat build of apache camel - hawtio 4
No fix published
red hat data grid 8
No fix published
red hat enterprise linux 10
No fix published
red hat enterprise linux 8
No fix published
red hat enterprise linux 9
No fix published
red hat fuse 7
No fix published
red hat jboss enterprise application platform 7
No fix published
red hat jboss enterprise application platform 8
No fix published
red hat jboss enterprise application platform expansion pack
No fix published
red hat jboss enterprise application platform expansion pack
No fix published
red hat process automation 7
No fix published
red hat single sign-on 7
No fix published
undertow Debian:14
- Versions
- 1.3.11-1
- 1.3.16-1
- 1.3.19-1
- 1.3.21-1
- 1.3.23-1
- 1.3.4-1
- 1.3.5-1
- 1.3.7-1
- 1.4.0-1
- 1.4.1-1
- 1.4.18-1
- 1.4.20-1
- 1.4.21-1
- 1.4.21-2
- 1.4.22-1
- 1.4.23-1
- 1.4.23-2
- 1.4.23-3
- 1.4.25-1
- 1.4.25-2
- 1.4.3-1
- 1.4.4-1
- 1.4.6-1
- 1.4.7-1
- 1.4.8-1
- 2.0.23-1
- 2.0.25-1
- 2.0.26-1
- 2.0.27-1
- 2.0.28-1
- 2.0.29-1
- 2.0.30-1
- 2.1.0-1
- 2.1.1-1
- 2.1.3-1
- 2.2.0-1
- 2.2.10-1
- 2.2.12-1
- 2.2.13-1
- 2.2.14-1
- 2.2.16-1
- 2.2.17-1
- 2.2.18-1
- 2.2.19-1
- 2.2.2-1
- 2.2.20-1
- 2.2.21-1
- 2.2.3-1
- 2.2.4-1
- 2.2.5-1
- 2.2.8-1
- 2.3.18-1
- 2.3.18-2
- 2.3.20-1
- 2.3.8-1
- 2.3.8-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
undertow Ubuntu:Pro:16.04:LTS
- Versions
- 1.3.4-1
- 1.3.5-1
- 1.3.7-1
- 1.3.11-1
- 1.3.16-1
- 1.3.16-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published