MediumFix available
haproxy — security advisory
Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled) allows attackers to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for_cacheability function.
- Products
- haproxy
- Affected versions
- Not specified
- Fixed versions
- 1.8.9-2
- CVEs
- CVE-2018-11469
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:30 UTC · Revision 1
Source evidence
Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled) allows attackers to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for_cacheability function.
osv:DEBIAN-CVE-2018-11469
haproxy
Fixed versions: 1.8.9-2
haproxy
Fixed versions: 1.8.9-2
haproxy
Fixed versions: 1.8.9-2
Complete source record
{
"id": "445099869a2ddd98b59459e6f1d3cb66e4601bc3152ee02c9afcf621a40bc9d6",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-11469",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-11469",
"summary": "Incorrect caching of responses to requests including an Authorization header in HAProxy 1.8.0 through 1.8.9 (if cache enabled) allows attackers to achieve information disclosure via an unauthenticated remote request, related to the proto_http.c check_request_for_cacheability function.",
"evidence": "osv:DEBIAN-CVE-2018-11469",
"products": [
{
"name": {
"value": "haproxy",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.9-2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "haproxy",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.9-2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "haproxy",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.8.9-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-11469",
"aliases": [
"DEBIAN-CVE-2018-11469"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.9-2"
}
]
}
],
"package": {
"name": "haproxy",
"purl": "pkg:deb/debian/haproxy?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11469.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.9-2"
}
]
}
],
"package": {
"name": "haproxy",
"purl": "pkg:deb/debian/haproxy?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11469.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.8.9-2"
}
]
}
],
"package": {
"name": "haproxy",
"purl": "pkg:deb/debian/haproxy?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11469.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:22.945600550Z",
"provider": "osv",
"upstream": [
"CVE-2018-11469"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-11469"
]
},
"related_cves": [
{
"value": "CVE-2018-11469",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 421316,
"published_at": "2018-05-25T14:29:00.323+00:00"
}