CVE-2026-93567
High
Description
A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leading to a malformed HTTP/2 CONNECT request. This can bypass security controls such as tunnel allow-lists or egress policies, resulting in integrity loss.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Red Hat Build of Apache Camel 3.33.3.SP2
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-20Improper input validation
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Red Hat Build of Apache Camel 3.33.3.SP2 | No range specified | — |
| Red Hat Red Hat build of Apache Camel 4 for Quarkus 3 | No range specified | — |
| Red Hat Red Hat build of Apache Camel for Spring Boot 4 | No range specified | — |
| Red Hat Red Hat build of Apicurio Registry 3 | No range specified | — |
| Red Hat Red Hat Build of Keycloak | No range specified | — |
| Red Hat Red Hat Data Grid 8 | No range specified | — |
| Red Hat Red Hat Fuse 7 | No range specified | — |
| Red Hat Red Hat JBoss Enterprise Application Platform 7 | No range specified | — |
| Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack | No range specified | — |
| Red Hat Red Hat Single Sign-On 7 | No range specified | — |
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