CVE-2026-110809
CVE-2026-110809 · sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.3 · Medium · EPSS 0.3%
- Published
- Updated
Affected products and versions
sglang
- Versions
- 0.5.0: Affected
- 0.5.1: Affected
- 0.5.2: Affected
- 0.5.3: Affected
- 0.5.4: Affected
- 0.5.5: Affected
- 0.5.6: Affected
- 0.5.7: Affected
- 0.5.8: Affected
- 0.5.9: Affected
- 0.5.10: Affected
- 0.5.11: Affected
- 0.5.12: Affected
- 0.5.13: Affected
- 0.5.14: Affected
- 0.5.15: Affected
- 0.5.16: Affected
- 0.5.17: Affected
- 0.5.18: Affected
- 0.5.19: Affected
No fix published
Original sources
- https://vuldb.com/vuln/420279
- https://vuldb.com/vuln/420279/cti
- https://vuldb.com/cve/CVE-2026-110809
- https://vuldb.com/submit/1004356
- https://github.com/sgl-project/sglang/issues/41470
- https://github.com/sgl-project/sglang/pull/41483
- https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py
- https://github.com/sgl-project/sglang/
- https://nvd.nist.gov/vuln/detail/CVE-2026-110809