Denial of Service Vulnerability in SGLang by sgl-project
CVE-2026-110807

5.3MEDIUM

Key Information:

Vendor: Sgl-project
Status: Sglang
Vendor: CVE Published:; 14 October 2026

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👾 Exploit Exists🟡 Public PoC

What is CVE-2026-110807?

A vulnerability has been identified in SGLang up to version 0.5.19, specifically in the generate Endpoint functionality found in the io_struct.py file. This issue arises from improper handling of the session_params argument, which leads to significant service disruptions. Attackers can exploit this vulnerability remotely, and methods for executing the exploit have already been made publicly available. The SGLang project has been notified about this issue but has yet to offer a resolution, raising concerns about the security of applications relying on this software.

Affected Version(s)

SGLang 0.5.0

SGLang 0.5.1

SGLang 0.5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-110807 - Proof of Concept