CVE record · CVE-2026-14180

Undertow-core: undertow:http request smuggling via oversized chunk-size bit overlap

CVSS 5.3 MediumEPSS 0.010 · 63rd percentile

Published by the CVE Program (CNA: redhat) at 11 Aug 2026, 15:32 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1.8.GA Package name: io.undertow/undertow-core https://access.redhat.com/downloads/content/package-browser/	unaffected 2.3.26.SP3-redhat-00001 to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-activemq-artemis https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.40.0-8.redhat_00024.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-apache-cxf https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.1.7-1.SP1_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-artemis-wildfly-integration https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.0.5-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-bouncycastle https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.85.0-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-cryptacular https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.2.7-1.redhat_00002.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-eap-product-conf-parent https://access.redhat.com/downloads/content/package-browser/	unaffected 0:801.8.0-1.GA_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-hibernate https://access.redhat.com/downloads/content/package-browser/	unaffected 0:6.6.54-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-httpcomponents-asyncclient https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.1.5-5.redhat_00008.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-ironjacamar https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.0.22-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-annotations https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-core https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-databind https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-dataformats-text https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-jaxrs-providers https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-modules-base https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jackson-modules-java8 https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.18.9-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jakarta-xml-bind-api https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.0.5-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jaxb https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.0.7-4.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jaxbintros https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.1.0-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jboss-logging https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.6.3-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jboss-remoting https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.0.31-1.SP2_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jbossws-api https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.1.0-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jbossws-common-tools https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.2.0-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jbossws-cxf https://access.redhat.com/downloads/content/package-browser/	unaffected 0:7.4.0-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jbossws-jaxws-undertow-httpspi https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.0.1-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jbossws-spi https://access.redhat.com/downloads/content/package-browser/	unaffected 0:5.1.0-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-jsf-impl https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.0.11-2.SP1_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-log4j https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.25.4-1.redhat_00003.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-neethi https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.2.2-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-netty https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.1.136-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-netty-transport-native-epoll https://access.redhat.com/downloads/content/package-browser/	unaffected 0:4.1.136-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-nimbus-jose-jwt https://access.redhat.com/downloads/content/package-browser/	unaffected 0:9.37.4-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-parsson https://access.redhat.com/downloads/content/package-browser/	unaffected 0:1.1.9-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-saaj-impl https://access.redhat.com/downloads/content/package-browser/	unaffected 0:3.0.6-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-slf4j https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.0.18-1.redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-undertow https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.3.26-2.SP3_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-wildfly https://access.redhat.com/downloads/content/package-browser/	unaffected 0:8.1.8-9.GA_redhat_00006.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-wildfly-elytron https://access.redhat.com/downloads/content/package-browser/	unaffected 0:2.6.11-1.Final_redhat_00001.1.el10eap to before * rpm Other versions: affected
Red Hat	Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 Package name: eap8-wildfly-javadocs https://access.redhat.com/downloads/content/package-browser/	unaffected 0:8.1.1-12.GA_redhat_00048.1.el10eap to before * rpm Other versions: affected

And 100 more products. The full list is on the CVE record.

Identifiers: CVE-2026-14180
CNA: redhat
Weakness (CWE): CWE-444
Tags: Red Hat JBoss Enterprise Application Platform 8.1.8.GA
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
Red Hat build of Apache Camel for Spring Boot 4
Red Hat build of Apache Camel - HawtIO 4
Red Hat Data Grid 8
Red Hat Enterprise Linux 10
HTTP request smuggling
Published: 11 Aug 2026
Updated: 5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	CNA (redhat)

CISA KEV Not listed.
EPSS 0.010, the 63rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

11 Aug 2026, 15:32 UTC Confirmed by the CVE List
11 Aug 2026, 16:17 UTC Confirmed by NVD

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:70228 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:70229 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:70230 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:70277 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-14180 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2494771 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.