{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-110809", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-10-14T18:20:40.526Z", "datePublished": "2026-10-14T23:30:21.130Z", "dateUpdated": "2026-10-15T15:04:33.724Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-14T23:30:21.130Z" }, "title": "sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-404", "lang": "en", "description": "Denial of Service" } ] } ], "affected": [ { "vendor": "sgl-project", "product": "SGLang", "versions": [ { "version": "0.5.0", "status": "affected" }, { "version": "0.5.1", "status": "affected" }, { "version": "0.5.2", "status": "affected" }, { "version": "0.5.3", "status": "affected" }, { "version": "0.5.4", "status": "affected" }, { "version": "0.5.5", "status": "affected" }, { "version": "0.5.6", "status": "affected" }, { "version": "0.5.7", "status": "affected" }, { "version": "0.5.8", "status": "affected" }, { "version": "0.5.9", "status": "affected" }, { "version": "0.5.10", "status": "affected" }, { "version": "0.5.11", "status": "affected" }, { "version": "0.5.12", "status": "affected" }, { "version": "0.5.13", "status": "affected" }, { "version": "0.5.14", "status": "affected" }, { "version": "0.5.15", "status": "affected" }, { "version": "0.5.16", "status": "affected" }, { "version": "0.5.17", "status": "affected" }, { "version": "0.5.18", "status": "affected" }, { "version": "0.5.19", "status": "affected" } ], "cpes": [ "cpe:2.3:a:sgl-project:sglang:*:*:*:*:*:*:*:*" ], "modules": [ "Session Cleanup" ] } ], "descriptions": [ { "lang": "en", "value": "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." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 5.3, "vectorString": "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", "baseSeverity": "MEDIUM" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 4.3, "vectorString": "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", "baseSeverity": "MEDIUM" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 4.3, "vectorString": "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", "baseSeverity": "MEDIUM" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 4, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:C" } } ], "timeline": [ { "time": "2026-10-14T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2026-10-14T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2026-10-14T20:25:53.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "Zyz3366 (VulDB User)", "type": "reporter" }, { "lang": "en", "value": "VulDB CNA Team", "type": "coordinator" } ], "references": [ { "url": "https://vuldb.com/vuln/420279", "name": "VDB-420279 | sgl-project SGLang Session Cleanup session_controller.py Session.create_req denial of service", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/vuln/420279/cti", "name": "VDB-420279 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://vuldb.com/cve/CVE-2026-110809", "name": "CVE-2026-110809 | CVE Analysis and Report", "tags": [ "third-party-advisory" ] }, { "url": "https://vuldb.com/submit/1004356", "name": "Submit #1004356 | SGLang Project SGLang(SGLang Runtime) 0.5.19 Remote Denial of Service", "tags": [ "third-party-advisory" ] }, { "url": "https://github.com/sgl-project/sglang/issues/41470", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/sgl-project/sglang/pull/41483", "tags": [ "issue-tracking", "patch" ] }, { "url": "https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py", "tags": [ "exploit" ] }, { "url": "https://github.com/sgl-project/sglang/", "tags": [ "product" ] } ], "x_generator": [ "VulDB PVTS v202610" ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-15T14:50:15.728091Z", "id": "CVE-2026-110809", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T15:04:33.724Z" } } ] } }