A security flaw has been discovered in sgl-project SGLang up to 0.5.19. Affected is the function WeightExporter.send_weights_to_remote_instance of the file python/sglang/srt/model_executor/model_runner_components/weight_exporter.py of the component Weight Exporter. Performing a manipulation of the argument group_name results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Sgl-project
  • Sglang

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References
Link Providers
https://github.com/sgl-project/sglang/ cve-icon cve-icon
https://github.com/sgl-project/sglang/issues/42073 cve-icon cve-icon
https://github.com/sgl-project/sglang/pull/44314 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-112083 cve-icon cve-icon
https://vuldb.com/submit/1009919 cve-icon cve-icon
https://vuldb.com/vuln/421762 cve-icon cve-icon
https://vuldb.com/vuln/421762/cti cve-icon cve-icon
History

Mon, 19 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 19 Oct 2026 06:00:00 +0000

Type Values Removed Values Added
Description A security flaw has been discovered in sgl-project SGLang up to 0.5.19. Affected is the function WeightExporter.send_weights_to_remote_instance of the file python/sglang/srt/model_executor/model_runner_components/weight_exporter.py of the component Weight Exporter. Performing a manipulation of the argument group_name results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.
Title sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service
First Time appeared Sgl-project
Sgl-project sglang
Weaknesses CWE-404
CPEs cpe:2.3:a:sgl-project:sglang:*:*:*:*:*:*:*:*
Vendors & Products Sgl-project
Sgl-project sglang
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-10-19T05:45:18.578Z

Updated: 2026-10-19T16:36:26.379Z

Reserved: 2026-10-18T14:26:48.148Z

Link: CVE-2026-112083

cve-icon Vulnrichment

Updated: 2026-10-19T15:46:39.618Z

cve-icon NVD

Status : Deferred

Published: 2026-10-19T06:17:23.377

Modified: 2026-10-19T17:17:11.287

Link: CVE-2026-112083

cve-icon Redhat

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