Red HatCVE-2026-93562
Red Hat Netty: request smuggling
Medium6.5CVE-2026-93562 · Published Sep 18, 2026 · updated Sep 22, 2026
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat AMQ Broker 7 Product | all versions | No fix yet |
| Red Hat AMQ Clients Product | all versions | No fix yet |
| Red Hat Build of Keycloak Product | all versions | No fix yet |
| Red Hat Data Grid 8 Product | all versions | No fix yet |
| Red Hat Fuse 7 Product | all versions | No fix yet |
| Red Hat JBoss Enterprise Application Platform 7 Product | all versions | No fix yet |
| Red Hat JBoss Enterprise Application Platform 8 Product | all versions | No fix yet |
| Red Hat Single Sign-On 7 Product | all versions | No fix yet |
| Red Hat build of Apache Camel 4 for Quarkus 3 Product | all versions | No fix yet |
| Red Hat build of Apache Camel for Spring Boot 4 Product | all versions | No fix yet |
| Red Hat build of Apicurio Registry 3 Product | all versions | No fix yet |
| Red Hat build of Debezium 3 Product | all versions | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-1035
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 18 | Red Hat OpenShift Container Platform 4: server-side request forgery | Critical9.3 | No fix yet |
| Sep 18 | Red Hat Netty: request smuggling | Medium6.5 | No fix yet |
| Sep 18 | A flaw was found in cockpit-files | Medium6.1 | No fix yet |
| Sep 18 | Red Hat cockpit-files. This vulnerability: race condition | Medium6.0 | No fix yet |
| Sep 18 | Red Hat cockpit-files: race condition | Medium6.0 | No fix yet |
| Sep 18 | Red Hat libsmpp34: memory corruption | High7.5 | 1.14.5 |