CVE-2026-93562

MEDIUM 6.5

Io.netty/netty-codec-http: netty: incomplete validation of malformed transfer-encoding allows http request smuggling

CVSS Score

6.5

EPSS Score

0.4%

EPSS Percentile

34th

A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.

CWE	CWE-1035
Vendor	red hat
Product	red hat build of debezium 3.6
Published	Sep 18, 2026
Last Updated	Oct 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Red Hat / Red Hat Build of Debezium 3.6

All versions affected

Red Hat / Red Hat build of Quarkus 3.27.5.SP2

All versions affected

Red Hat / Red Hat build of Quarkus 3.33.3.SP2

All versions affected

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 Keycloak

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

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/errata/RHSA-2026:69440 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:69470 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:83612 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-93562 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2536951