CVE-2026-105245: sgl-project sglang HTTP Endpoint http_server.py server_info cleartext transmission
A vulnerability has been found in sgl-project sglang up to 0.5.21. This issue affects the function serverinfo of the file python/sglang/srt/entrypoints/httpserver.py of the component HTTP Endpoint. Such manipulation of the argument apikey leads to cleartext transmission of sensitive information. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.
Affected Software
Event History
Frequently Asked Questions
Which deployments are affected?
The issue affects sgl-project sglang versions up to and including 0.5.21, specifically the HTTP Endpoint implementation in python/sglang/srt/entrypoints/http_server.py.
Can this be exploited remotely, and does an attacker need credentials?
The attack can be launched remotely and the supplied vector indicates no privileges or user interaction are required. However, exploitation is assessed as highly complex and difficult.
What is the impact if exploitation succeeds?
Manipulation of the api_key argument can cause sensitive information to be transmitted in cleartext. The provided severity vector indicates low confidentiality impact, with no stated integrity or availability impact.
Is a fix available?
A pull request intended to fix the issue exists, but it was awaiting acceptance at the time of the provided information. No released fixed version is identified.