CVE-2026-28367 identifies a high-severity request smuggling vulnerability in Undertow, where a remote attacker can send a specific header block terminator to exploit the flaw. This can impact systems utilizing vulnerable proxy servers, such as older versions of Apache Traffic Server or Google Cloud Classic Application Load Balancer. Rated 8.7 HIGH, the vulnerability has a remote attack vector but high attack complexity, potentially leading to unauthorized access or manipulation of web requests. There is currently no evidence of active exploitation, no public exploit code available, and community discussion remains minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0CPE matchmatch criteria | cpe:2.3:a:redhat:build_of_apache_camel_-_hawtio:4.0:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:redhat:build_of_apache_camel_for_spring_boot:4.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:redhat:data_grid:8.0:*:*:*:*:*:*:* | ||
7.0.0CPE matchmatch criteria | cpe:2.3:a:redhat:fuse:7.0.0:*:*:*:*:*:*:* | ||
7.0.0CPE matchmatch criteria | cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.