High severity8.7NVD Advisory· Published Mar 27, 2026· Updated Jun 10, 2026
CVE-2026-28368
CVE-2026-28368
Description
A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks, potentially bypassing security controls and accessing unauthorized resources.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
io.undertow:undertow-parentMaven | <= 2.3.23.Final | — |
Affected products
12- cpe:2.3:a:redhat:build_of_apache_camel_for_spring_boot:4.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:build_of_apache_camel_-_hawtio:4.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:jboss_enterprise_application_platform:8.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:jboss_enterprise_application_platform_expansion_pack:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:process_automation:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
6- access.redhat.com/security/cve/CVE-2026-28368nvdVendor AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingVendor AdvisoryWEB
- github.com/advisories/GHSA-8v4x-mgvp-p658ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-28368ghsaADVISORY
- access.redhat.com/errata/RHSA-2026:25125nvdWEB
- access.redhat.com/errata/RHSA-2026:25126nvdWEB
News mentions
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