Medium
sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-112083
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 04:08 UTC · Revision 1
Source evidence
sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service
core-osv · Original sourcePublished 19 Oct 2026, 05:45 UTC
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.
osv:CVE-2026-112083
Complete source record
{
"id": "e847adc7e86e019327b5658bcd8f1f5b73b92da1beaa648f58e138d3d09a2f36",
"url": "https://osv.dev/vulnerability/CVE-2026-112083",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "sgl-project SGLang Weight Exporter weight_exporter.py WeightExporter.send_weights_to_remote_instance denial of service",
"summary": "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.",
"evidence": "osv:CVE-2026-112083",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-112083",
"aliases": [
"CVE-2026-112083"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
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{
"repo": "https://github.com/sgl-project/sglang",
"type": "GIT",
"events": [
{
"introduced": "97a38ee85ba62e268bde6388f1bf8edfe2ca9d76"
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{
"last_affected": "0bcd822377da7b5718e674eaf9c870d349424dd1"
}
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{
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"source": "AFFECTED_FIELD",
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{
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"source": "AFFECTED_FIELD",
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{
"range": [
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"source": "AFFECTED_FIELD",
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{
"range": [
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"source": "AFFECTED_FIELD",
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},
{
"range": [
{
"introduced": "0.5.11"
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{
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"source": "AFFECTED_FIELD",
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},
{
"range": [
{
"introduced": "0.5.12"
},
{
"last_affected": "0.5.12"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.5.13"
},
{
"last_affected": "0.5.13"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.5.14"
},
{
"last_affected": "0.5.14"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.5.15"
},
{
"last_affected": "0.5.15"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.5.16"
},
{
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},
{
"range": [
{
"introduced": "0.5.17"
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{
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}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.5.18"
},
{
"last_affected": "0.5.18"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.5.19"
},
{
"last_affected": "0.5.19"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "0.5.19"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"0.5.1",
"0.5.10",
"0.5.11",
"0.5.12",
"0.5.13",
"0.5.14",
"0.5.15",
"0.5.16",
"0.5.17",
"0.5.18",
"0.5.19",
"0.5.2",
"0.5.3",
"0.5.4",
"0.5.5",
"0.5.6",
"0.5.7",
"0.5.8",
"0.5.9",
"v0.5.19",
"gateway-v0.3.1",
"gateway-v0.3.0",
"v0.5.6.post2",
"gateway-v0.2.4",
"v0.5.6.post1",
"v0.5.6",
"v0.5.5",
"v0.5.5.post3",
"gateway-v0.2.3",
"v0.5.5.post2",
"v0.5.5.post1",
"v0.5.4.post3",
"v0.5.4.post2",
"gateway-v0.2.2",
"v0.5.4.post1",
"v0.5.4",
"gateway-v0.2.1",
"v0.5.3.post3",
"v0.5.3.post2",
"gateway-v0.2.0",
"v0.5.3.post1",
"v0.5.3",
"v0.5.3rc2",
"v0.5.3rc1",
"v0.5.3rc0",
"v0.5.2",
"v0.5.2rc2",
"v0.5.2rc1",
"v0.5.2rc0",
"v0.5.1.post3",
"v0.5.1.post2",
"v0.5.1.post1",
"v0.5.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112083.json"
}
}
],
"modified": "2026-10-28T02:30:42.254505871Z",
"provider": "osv",
"references": [
"https://github.com/sgl-project/sglang/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112083.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-112083",
"https://vuldb.com/cve/CVE-2026-112083",
"https://vuldb.com/submit/1009919",
"https://vuldb.com/vuln/421762",
"https://github.com/sgl-project/sglang/issues/42073",
"https://vuldb.com/vuln/421762/cti",
"https://github.com/sgl-project/sglang/pull/44314"
],
"provider_metadata": {
"cwe_ids": [
"CWE-404"
],
"cna_assigner": "VulDB",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "0.5.0"
},
{
"last_affected": "0.5.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112083.json"
}
},
"related_cves": [
{
"value": "CVE-2026-112083",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 510120,
"published_at": "2026-10-19T05:45:18.578+00:00"
}