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🛡️ CVE-2026-28367 — build-of-apache-camel---hawtio

🟠 CVSS 8.7 — High ✅ No Known Exploit CWE-444 NVD
8.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Undertow is Vulnerable to HTTP Request/Response Smuggling

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: None.

Weakness class

CVE-2026-28367 is classified as CWE-444: HTTP Request Smuggling. A proxy and a server disagree on where one request ends, letting an attacker slip a second request past the front end.

Affected software

CVE-2026-28367 is recorded against 10 packages.

  • build-of-apache-camel---hawtio
  • build-of-apache-camel-for-spring-boot
  • data-grid
  • fuse
  • io.undertow:undertow-parent
  • jboss-enterprise-application-platform
  • jboss-enterprise-application-platform-expansion-pack
  • process-automation
  • single-sign-on
  • undertow

Timeline and source

Published on 27 March 2026 and last revised on 29 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

access.redhat.com
access.redhat.com
access.redhat.com
bugzilla.redhat.com

Other advisories for this package

build-of-apache-camel---hawtio has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-444: HTTP Request Smuggling) in other software:

CVE-2026-28367 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.7
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CWE CWE-444
Public Exploit ✅ No
Source NVD
Published 2026-03-27
Updated 2026-08-20
Modified 2026-06-29
Fix URL N/A

Affected Packages

Software From version Fixed in
build-of-apache-camel---hawtio — —
build-of-apache-camel-for-spring-boot — —
data-grid — —
fuse — —
io.undertow:undertow-parent — —
jboss-enterprise-application-platform — —
jboss-enterprise-application-platform-expansion-pack — —
process-automation — —
single-sign-on — —
undertow — —

Similar Threats

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