CVE-2026-110809

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 v3 4.3 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
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

Configurations

No configuration.

History

15 Oct 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-15 00:16

Updated : 2026-10-15 16:17

NVD link : CVE-2026-110809

Mitre link : CVE-2026-110809

CVE.ORG link : CVE-2026-110809

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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{"status": "affected", "version": "0.5.19"}]}]}], "published": "2026-10-15T00:16:40.150", "references": [{"url": "https://gist.github.com/Yunzez/dbd254603fa2bc74358cb3647423d0ec#file-repro_sglang_session_replace_crash-py", "source": "cna@vuldb.com"}, {"url": "https://github.com/sgl-project/sglang/", "source": "cna@vuldb.com"}, {"url": "https://github.com/sgl-project/sglang/issues/41470", "source": "cna@vuldb.com"}, {"url": "https://github.com/sgl-project/sglang/pull/41483", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-110809", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/1004356", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/420279", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/420279/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-404"}]}], "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."}], "lastModified": "2026-10-15T16:17:46.730", "sourceIdentifier": "cna@vuldb.com"}