Critical
Security advisory
SGLangs multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-7302
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 18:23 UTC · Revision 1
Source evidence
SGLangs multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.
osv:CVE-2026-7302
Complete source record
{
"id": "636a4a8683289c62c51810589a383a81699aea5a56e6c23397d366ff8e7260bb",
"url": "https://osv.dev/vulnerability/CVE-2026-7302",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-7302",
"summary": "SGLangs multimodal generation runtime is vulnerable to an unauthenticated path traversal vulnerability, allowing an attacker to write arbitrary files anywhere the server process has write access, by including ../ sequences in the upload filename when sent to specific endpoints.",
"evidence": "osv:CVE-2026-7302",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-7302",
"aliases": [
"CVE-2026-7302",
"GHSA-qwrp-wghp-94q2",
"PYSEC-2026-538"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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-2026-7302.json"
}
}
],
"modified": "2026-10-28T02:30:21.917947038Z",
"provider": "osv",
"references": [
"https://github.com/sgl-project/sglang/tree/main/python/sglang",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7302.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-7302",
"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-2026-7302.json"
}
},
"related_cves": [
{
"value": "CVE-2026-7302",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 488300,
"published_at": "2026-05-18T10:39:27.474+00:00"
}