CVEvulnerability
CVE-2026-28367
9.1 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-03-27
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.7 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-444
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.
Affected configurations
• redhat build of apache camel - hawtio 4.0
• redhat build of apache camel for spring boot 4.0
• redhat data grid 8.0
• redhat fuse 7.0.0
• redhat jboss enterprise application platform 7.0.0
• redhat jboss enterprise application platform 8.0.0
• redhat jboss enterprise application platform expansion pack
• redhat process automation 7.0
• redhat single sign-on 7.0
• redhat undertow
Related
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://access.redhat.com/errata/RHSA-2026:25125 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:25126 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-28367 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2443260 Issue Tracking, Vendor Advisory