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NVD 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.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
CVE-2026-93568 HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests https://www.cve.org/CVERecord?id=CVE-2026-93568
Post summary
The text briefly discloses a vulnerability by describing how Extended CONNECT requests may be downgraded in HTTP/2 and HTTP/3. It does not indicate PoC availability, active exploitation, exploit tooling, or remediation.