CVE-2026-93568 Security feature bypass in Red Hat AMQ Broker 7
Attackers can bypass security policies like routing or authorization by sending crafted HTTP/2 or HTTP/3 Extended CONNECT requests that Netty misinterprets as regular CONNECT requests.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-93568?
CVE-2026-93568 is a high-severity vulnerability in Red Hat AMQ Broker 7, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in Netty. A remote attacker could exploit this vulnerability by sending specially crafted HTTP/2 or HTTP/3 Extended CONNECT requests. Netty's HTTP-object conversion path incorrectly processes these requests as regular HTTP/1.1 CONNECT requests, leading to a loss of critical protocol and path information. This misinterpretation can allow attackers to bypass security policies, such as routing or authorization logic, in applications that rely on Netty for HTTP/2 or HTTP/3 communication, resulting in integrity loss.
Weakness: CWE-20
Which versions are affected by CVE-2026-93568?
How do I fix CVE-2026-93568?
Upgrade to a fixed version.
Is CVE-2026-93568 being exploited?
There is no known exploitation of CVE-2026-93568 in the wild and no public exploit code.
Sources
Also known as CLEANSTART-2026-EM83311, DEBIAN-CVE-2026-93568, GHSA-ffvg-hfwh-x2pp, UBUNTU-CVE-2026-93568.