---
id: CVE-2026-110807
title: A weakness has been identified in sgl-project SGLang up to 0.5.19
summary: >-
  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 th…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-404
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T23:17:22.540'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-110807'
references:
  - url: >-
      https://gist.github.com/Yunzez/28820d220c52de4810fd5fb2d1dcf409#file-repro_sglang_session_params_crash-py
    label: cna@vuldb.com
  - url: 'https://github.com/sgl-project/sglang/'
    label: cna@vuldb.com
  - url: 'https://github.com/sgl-project/sglang/issues/41467'
    label: cna@vuldb.com
  - url: 'https://github.com/sgl-project/sglang/pull/41535'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-110807'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/1004351'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/420278'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/420278/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-10-15T00:02:07.170Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.