Critical
Security advisory
SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-7301
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 18:41 UTC · Revision 1
Source evidence
SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.
osv:CVE-2026-7301
Complete source record
{
"id": "1e97c1a4aeb904d8736ba085f74057f121f7f54abb442f0fa69dbe826a9237ee",
"url": "https://osv.dev/vulnerability/CVE-2026-7301",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-7301",
"summary": "SGLangs multimodal generation runtime scheduler's ROUTER socket binds to 0.0.0.0 by default and contains a sink that calls pickle.loads() on incoming messages, enabling RCE when exposed to the internet.",
"evidence": "osv:CVE-2026-7301",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-7301",
"aliases": [
"CVE-2026-7301",
"GHSA-gwv6-pq6m-p3rq",
"PYSEC-2026-536"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/sgl-project/sglang",
"type": "GIT",
"events": [
{
"introduced": "1519acf37c23f2189adb93f57ca9cd2db1bebf18"
},
{
"last_affected": "1519acf37c23f2189adb93f57ca9cd2db1bebf18"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:lmsys:sglang:0.5.10:-:*:*:*:*:*:*",
"range": [
{
"introduced": "0.5.10-NA"
},
{
"last_affected": "0.5.10-NA"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.5.10-NA",
"v0.5.10"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7301.json"
}
}
],
"modified": "2026-10-28T02:30:38.233185087Z",
"provider": "osv",
"references": [
"https://github.com/sgl-project/sglang/tree/main/python/sglang",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7301.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-7301",
"https://antiproof.ai/blog/three-rces-in-sglang/"
],
"provider_metadata": {
"cna_assigner": "certcc",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "5.10"
},
{
"last_affected": "5.10"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7301.json"
}
},
"related_cves": [
{
"value": "CVE-2026-7301",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 505789,
"published_at": "2026-05-18T10:38:56.493+00:00"
}