{"id":"CVE-2026-110809","revision":"8a3b587540de4321a166bf490624faf9","records":[{"revision":"8a3b587540de4321a166bf490624faf9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110809","aliases":[],"title":"sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service","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.","state":0,"publishedAt":"2026-10-14T23:30:21.13+00:00","modifiedAt":"2026-10-15T15:04:33.724+00:00","affected":[{"ecosystem":"Vendor product","name":"SGLang","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sgl-project\",\n                    \"product\": \"SGLang\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.5.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.3\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.7\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.9\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.10\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.11\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.13\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.17\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0.5.19\",\n                            \"status\": \"affected\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:sgl-project:sglang:*:*:*:*:*:*:*:*\"\n                    ],\n                    \"modules\": [\n                        \"Session Cleanup\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS: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","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","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","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C","score":4.3,"severity":"MEDIUM"},{"system":"CVSS 2.0","vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C","score":4,"severity":null}],"references":["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/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110809","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110809","identifiers":["CVE-2026-110809"]},"retained":false,"historicalAffected":[]}],"coverage":[]}