CVE-2026-110807 sgl-project SGLang generate Endpoint io_struct.py denial of service
Remote attackers can cause denial of service in SGLang by manipulating session parameters in the generate endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-110807?
CVE-2026-110807 is a medium-severity denial of service vulnerability in sgl-project SGLang, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A weakness has been identified in sgl-project SGLang up to 0.5.19. Affected by this vulnerability is an unknown functionality of the file python/sglang/srt/managers/io_struct.py of the component generate Endpoint. This manipulation of the argument session_params causes denial of service. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-404
Which versions are affected by CVE-2026-110807?
How do I fix CVE-2026-110807?
No fix has been published for CVE-2026-110807 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-110807 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110807 exists.
Sources
Also known as GHSA-9h5h-jqm8-rrcw.