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CVE-2026-93567

Red Hat Build of Apache Camel 3.33.3.SP2 · Vulnerability

CVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-93567

Published

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.

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Affected versions, risk and source history

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CVE-2026-93567 · CVE overview and exploitation status

cve-program · CVE-2026-93567

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