CVE-2026-93574
Io.netty/netty-codec-http: netty: http request smuggling via post-digit whitespace in chunk-size parsing
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in Netty's `netty-codec-http` component. A remote attacker could exploit this vulnerability by sending a specially crafted HTTP/1.1 chunk-size token that includes post-digit whitespace. This incorrect parsing of the chunk size can lead to HTTP request smuggling. This allows an attacker to bypass security controls or access unauthorized resources in proxy/backend deployments.
| CWE | CWE-444 |
| Vendor | red hat |
| Product | red hat amq broker 7 |
| Published | Sep 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Affected Versions
Red Hat / Red Hat AMQ Broker 7
All versions affected Red Hat / Red Hat AMQ Clients
All versions affected Red Hat / Red Hat build of Apache Camel 4 for Quarkus 3
All versions affected Red Hat / Red Hat build of Apache Camel for Spring Boot 4
All versions affected Red Hat / Red Hat build of Apicurio Registry 3
All versions affected Red Hat / Red Hat build of Debezium 3
All versions affected Red Hat / Red Hat Build of Keycloak
All versions affected Red Hat / Red Hat build of Quarkus
All versions affected Red Hat / Red Hat Data Grid 8
All versions affected Red Hat / Red Hat Fuse 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8
All versions affected Red Hat / Red Hat Single Sign-On 7
All versions affected