Vulnerability · Published Oct 14, 2026 · Assigned by VulDB
CVE-2026-110807sgl-project SGLang generate Endpoint io_struct.py denial of service
Medium 4.3
In plain English
A medium-severity security flaw in SGLang from sgl-project. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| sgl-project | SGLang | 0.5.00.5.10.5.20.5.30.5.40.5.50.5.60.5.7 |
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C
References
- VDB-420278 | sgl-project SGLang generate Endpoint io_struct.py denial of service vdb-entry, technical-description
- VDB-420278 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-110807 | CVE Analysis and Report third-party-advisory
- Submit #1004351 | SGLang Project (sgl-project) SGLang(SGLang Runtime) 0.5.19 Improper Validation of Specified Type of Input third-party-advisory
- https://github.com/sgl-project/sglang/issues/41467 issue-tracking
- https://github.com/sgl-project/sglang/pull/41535 issue-tracking, patch
- https://gist.github.com/Yunzez/28820d220c52de4810fd5fb2d1dcf409#file-repro_sglang_session_params_crash-py exploit
- https://github.com/sgl-project/sglang/ product