High
Security advisory
An issue was discovered in python-engineio through 3.8.2. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to a server by using a victim's credentials, because the Origin header is not restricted.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-13611
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:34 UTC · Revision 1
Source evidence
An issue was discovered in python-engineio through 3.8.2. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to a server by using a victim's credentials, because the Origin header is not restricted.
osv:CVE-2019-13611
Complete source record
{
"id": "c1736e1fb3186497f9584ae83d79f7e1e1401dc2d8b40ee2d9b5a55560e1dfd7",
"url": "https://osv.dev/vulnerability/CVE-2019-13611",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-13611",
"summary": "An issue was discovered in python-engineio through 3.8.2. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to a server by using a victim's credentials, because the Origin header is not restricted.",
"evidence": "osv:CVE-2019-13611",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-13611",
"aliases": [
"CVE-2019-13611",
"GHSA-j3jp-gvr5-7hwq",
"PYSEC-2019-170"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/miguelgrinberg/python-engineio",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "09e9be9a50879c1b97c928c0cc7ba96bdcda7133"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:python-engineio_project:python-engineio:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.8.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v3.8.2",
"v3.8.1",
"v3.8.0",
"v3.7.0",
"v3.6.0",
"v3.5.2",
"v3.5.1",
"v3.5.0",
"v3.4.4",
"v3.4.3",
"v3.4.2",
"v3.4.1",
"v3.4.0",
"v3.3.2",
"v3.3.1",
"v3.3.0",
"v3.2.3",
"v3.2.2",
"v3.2.1",
"v3.2.0",
"v3.1.2",
"v3.1.1",
"v3.1.0",
"v3.0.0",
"v2.3.2",
"v2.3.1",
"v2.3.0",
"v2.1.1",
"v2.1.0",
"v2.0.4",
"v2.0.3",
"v2.0.2",
"v2.0.1",
"v2.0.0",
"v1.7.0",
"v1.6.1",
"v1.6.0",
"v1.5.4",
"v1.5.3",
"v1.5.2",
"v1.5.1",
"v1.5.0",
"v1.4.0",
"v1.3.2",
"v1.3.1",
"v1.3.0",
"v1.2.4",
"v1.2.3",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.2",
"v1.1.1",
"v1.1.0",
"v1.0.4",
"v1.0.3",
"v1.0.2",
"v1.0.1",
"v1.0.0",
"v0.9.2",
"v0.9.1",
"v0.9.0",
"v0.8.8",
"v0.8.7",
"v0.8.6",
"v0.8.5",
"v0.8.4",
"v0.8.3",
"v0.8.2",
"v0.8.1",
"v0.8.0",
"v0.7.2",
"v0.7.1",
"v0.7.0",
"v0.6.9",
"v0.6.8",
"v0.6.7",
"v0.6.6",
"v0.6.5",
"v0.6.4",
"v0.6.3",
"v0.6.2",
"v0.6.1",
"v0.6.0",
"v0.5.1",
"v0.5.0",
"v0.4.0",
"v0.3.1",
"v0.3.0",
"v0.2.0",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-13611.json"
}
}
],
"modified": "2026-10-20T10:50:42.962931527Z",
"provider": "osv",
"references": [
"https://github.com/miguelgrinberg/python-engineio/issues/128"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-13611",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 382050,
"published_at": "2019-07-16T00:15:10.837+00:00"
}