CVE-2026-110809
A security vulnerability has been detected in sgl-project SGLang up to 0.5.19.
Does this matter?
Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.32% probability · 25th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Source
- cna@vuldb.com
EPSS moved from 0.3% on 15 October 2026 to 0.3% on 26 October 2026.
References
- https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py
- https://github.com/sgl-project/sglang/
- https://github.com/sgl-project/sglang/issues/41470
- https://github.com/sgl-project/sglang/pull/41483
- https://vuldb.com/cve/CVE-2026-110809
- https://vuldb.com/submit/1004356
- https://vuldb.com/vuln/420279
- https://vuldb.com/vuln/420279/cti
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.