High
Security advisory
Pivotal Concourse, all versions prior to 4.2.2, puts the user access token in a url during the login flow. A remote attacker who gains access to a user's browser history could obtain the access token and use it to authenticate as the user.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-3803
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:48 UTC · Revision 1
Source evidence
Pivotal Concourse, all versions prior to 4.2.2, puts the user access token in a url during the login flow. A remote attacker who gains access to a user's browser history could obtain the access token and use it to authenticate as the user.
osv:CVE-2019-3803
Complete source record
{
"id": "c4f8dc7c47025814cdd5b1f1175f3f545555ec6d93ab10e1e79260d60b57da6d",
"url": "https://osv.dev/vulnerability/CVE-2019-3803",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-3803",
"summary": "Pivotal Concourse, all versions prior to 4.2.2, puts the user access token in a url during the login flow. A remote attacker who gains access to a user's browser history could obtain the access token and use it to authenticate as the user.",
"evidence": "osv:CVE-2019-3803",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2019-3803",
"aliases": [
"CVE-2019-3803"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/concourse/concourse",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "a48dbfa07c3ff6940d4f9de021338101f842c3c9"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:pivotal_software:concourse:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.2.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-3803.json"
}
}
],
"modified": "2026-10-24T10:30:22.304033203Z",
"provider": "osv",
"references": [
"https://pivotal.io/security/cve-2019-3803"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-3803",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430650,
"published_at": "2019-01-12T00:29:00.197+00:00"
}