Description
A security vulnerability has been detected in sgl-project SGLang up to 0.5.19. Affected by this issue is the function Session.create_req of the file python/sglang/srt/session/session_controller.py of the component Session Cleanup. Such manipulation leads to denial of service. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| sgl-project | SGLang | 0.5.0, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5, 0.5.6, 0.5.7, 0.5.8, 0.5.9, 0.5.10, 0.5.11, 0.5.12, 0.5.13, 0.5.14, 0.5.15, 0.5.16, 0.5.17, 0.5.18, 0.5.19 | — |
References
- VDB-420279 | sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service vdb-entry technical-description
- VDB-420279 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-110809 | CVE Analysis and Report third-party-advisory
- Submit #1004356 | SGLang Project SGLang(SGLang Runtime) 0.5.19 Remote Denial of Service third-party-advisory
- https://github.com/sgl-project/sglang/issues/41470 issue-tracking
- https://github.com/sgl-project/sglang/pull/41483 issue-tracking patch
- https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py exploit
- https://github.com/sgl-project/sglang/ product