Medium 6.5Published Sep 18, 2026

CVE-2026-93566Io.netty/netty-codec-http: netty: http request smuggling due to control characters in the chunk-size line

Updated under an hour ago (Oct 27, 2026, 5:40 PM ET)

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It affects Red Hat Build of Debezium 3.6 and 11 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Red Hat Build of Debezium 3.6

Exploited in the last 30 days

A flaw was found in Netty. A remote attacker could exploit this by sending a specially crafted HTTP request that includes control characters within the chunk-size line. This bypasses the intended strict validation, allowing the attacker to inject arbitrary HTTP requests. This vulnerability can lead to HTTP request smuggling, potentially resulting in information disclosure or other unauthorized actions.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-1035
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Awaiting Analysis
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Hat Red Hat Build of Debezium 3.6 redhat:debezium	3.6	CNA record
Red Hat Red Hat build of Quarkus 3.27.5.SP2 redhat:quarkus	3.27	CNA record
Red Hat Red Hat AMQ Broker 7 redhat:amq_broker	7	CNA record
Red Hat Red Hat AMQ Clients redhat:amq_clients	2023	CNA record
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 redhat:camel_quarkus	3	CNA record
Red Hat Red Hat build of Apache Camel for Spring Boot 4 redhat:camel_spring_boot	4	CNA record
Red Hat Red Hat build of Apicurio Registry 3 redhat:apicurio_registry	3	CNA record
Red Hat Red Hat Build of Keycloak redhat:build_keycloak	All versions	CNA record
Red Hat Red Hat Data Grid 8 redhat:jboss_data_grid	8	CNA record
Red Hat Red Hat Fuse 7 redhat:jboss_fuse	7	CNA record
1–10 of 12

References

References

https://access.redhat.com/errata/RHSA-2026:69440	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:69470	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:83612	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2026-93566	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2536954	issue-tracking, x-refsource-redhat

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.