High
Security advisory
In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket requests for AWS Application Load Balancers (ALBs) and some other HTTP-aware Load Balancers. A user with developer privileges could use this vulnerability to steal data or cause denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-1221
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:10 UTC · Revision 1
Source evidence
In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket requests for AWS Application Load Balancers (ALBs) and some other HTTP-aware Load Balancers. A user with developer privileges could use this vulnerability to steal data or cause denial of service.
osv:CVE-2018-1221
Complete source record
{
"id": "cb3fd602572b8f1eccb6662aebbf9dfb63b48cd016a324799375e1b8d49cbb50",
"url": "https://osv.dev/vulnerability/CVE-2018-1221",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-1221",
"summary": "In cf-deployment before 1.14.0 and routing-release before 0.172.0, the Cloud Foundry Gorouter mishandles WebSocket requests for AWS Application Load Balancers (ALBs) and some other HTTP-aware Load Balancers. A user with developer privileges could use this vulnerability to steal data or cause denial of service.",
"evidence": "osv:CVE-2018-1221",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-1221",
"aliases": [
"CVE-2018-1221"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/cloudfoundry/cf-deployment",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "20e949909c1136753f4b43e532c04c3cf02f64ac"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.14.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v1.13.0",
"v1.12.0",
"v1.11.0",
"v1.10.0",
"v1.9.0",
"v1.8.0",
"v1.7.0",
"v1.6.0",
"v1.5.0",
"v1.4.0",
"v1.3.0",
"v1.2.0",
"v1.1.0",
"v0.37.0",
"v1.0.0",
"v0.36.0",
"v0.35.0",
"v0.34.0",
"v0.33.0",
"v0.32.0",
"v0.31.0",
"v0.30.0",
"v0.28.0",
"v0.29.0",
"v0.15.0",
"v0.13.0",
"v0.14.0",
"v0.12.0",
"v0.11.0",
"v0.10.0",
"v0.9.1",
"v0.9.0",
"v0.8.0",
"v0.3.0",
"v0.7.0",
"v0.5.0",
"v0.2.1",
"v0.2.2",
"v0.2.0",
"v0.1.0",
"v0.0.2",
"v0.0.1",
"v0.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1221.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/cloudfoundry/routing-release",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "a0ada1705809c6e89b21eb971b4d1ba1123dbd5d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:cloudfoundry:routing-release:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.172.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"0.171.0",
"0.166.0",
"0.162.0",
"0.160.0",
"0.157.0",
"0.154.0",
"0.147.0",
"0.142.0",
"0.137.0",
"0.136.0",
"0.134.0",
"0.123.0",
"0.121.0",
"0.118.0",
"0.99.0",
"0.69.0",
"0.66.0",
"0.62.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-1221.json"
}
}
],
"modified": "2026-10-24T10:30:49.593666795Z",
"provider": "osv",
"references": [
"https://www.cloudfoundry.org/blog/cve-2018-1221/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-1221",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 437034,
"published_at": "2018-03-19T18:29:00.547+00:00"
}