keystone — security advisory
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The list of roles provided for an OAuth1 access token is silently ignored. Thus, when an access token is used to request a keystone token, the keystone token contains every role assignment the creator had for the project. This results in the provided keystone token having more role assignments than the creator intended, possibly giving unintended escalated access.
- Products
- keystone
- Affected versions
- Not specified
- Fixed versions
- 2:17.0.0~rc2-1
- CVEs
- CVE-2020-12690
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:34 UTC · Revision 1
Source evidence
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The list of roles provided for an OAuth1 access token is silently ignored. Thus, when an access token is used to request a keystone token, the keystone token contains every role assignment the creator had for the project. This results in the provided keystone token having more role assignments than the creator intended, possibly giving unintended escalated access.
osv:DEBIAN-CVE-2020-12690
keystone
Fixed versions: 2:17.0.0~rc2-1
keystone
Fixed versions: 2:17.0.0~rc2-1
keystone
Fixed versions: 2:17.0.0~rc2-1
Complete source record
{
"id": "398936de96ef58e0a3187e1559bceda9036606c3c6b892c6f3d9ef307fdb3115",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-12690",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-12690",
"summary": "An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The list of roles provided for an OAuth1 access token is silently ignored. Thus, when an access token is used to request a keystone token, the keystone token contains every role assignment the creator had for the project. This results in the provided keystone token having more role assignments than the creator intended, possibly giving unintended escalated access.",
"evidence": "osv:DEBIAN-CVE-2020-12690",
"products": [
{
"name": {
"value": "keystone",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:17.0.0~rc2-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "keystone",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:17.0.0~rc2-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "keystone",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:17.0.0~rc2-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2020-12690",
"aliases": [
"DEBIAN-CVE-2020-12690"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:17.0.0~rc2-1"
}
]
}
],
"package": {
"name": "keystone",
"purl": "pkg:deb/debian/keystone?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12690.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:17.0.0~rc2-1"
}
]
}
],
"package": {
"name": "keystone",
"purl": "pkg:deb/debian/keystone?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12690.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:17.0.0~rc2-1"
}
]
}
],
"package": {
"name": "keystone",
"purl": "pkg:deb/debian/keystone?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-12690.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:00:30.326113771Z",
"provider": "osv",
"upstream": [
"CVE-2020-12690"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-12690"
]
},
"related_cves": [
{
"value": "CVE-2020-12690",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 451187,
"published_at": "2020-05-07T00:15:10.923+00:00"
}