Critical
Security advisory
An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request. It has Improper Authorization.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-12428
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:58 UTC · Revision 1
Source evidence
An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request. It has Improper Authorization.
osv:CVE-2019-12428
Complete source record
{
"id": "a6d0287242f0e1f45875e5384caca4cfd4d5c4e9467210a1094d11704ab8b8bb",
"url": "https://osv.dev/vulnerability/CVE-2019-12428",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-12428",
"summary": "An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request. It has Improper Authorization.",
"evidence": "osv:CVE-2019-12428",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2019-12428",
"aliases": [
"CVE-2019-12428"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "5bba8218435490221be09ead74977ff60800bc68"
},
{
"last_affected": "deb6f84e91fe4d21daa6b5558c517254ea2668a3"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "6.8.0"
},
{
"last_affected": "11.11.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "6.8.0"
},
{
"last_affected": "11.11.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v11.11.0-ee",
"v11.11.0-rc5-ee",
"v11.11.0-rc4-ee",
"v11.11.0-rc3-ee",
"v11.11.0-rc2-ee",
"v11.11.0-rc1-ee",
"11-10-0cfa69752d8-74ffd66ae-ee",
"11-10-0cfa69752d8-0d9531c80-ee",
"11-10-119f9509d50-6d7537235-ee",
"v7.3.0-ee",
"v7.3.0.rc1-ee",
"v7.2.0.rc5-ee",
"v7.2.0.rc4-ee",
"v7.2.0.rc3-ee",
"v7.2.0.rc2-ee",
"v7.2.0.rc1-ee",
"v7.1.0-ee",
"v7.1.0.rc1-ee",
"v7.0.0-ee",
"v6.8.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12428.json"
}
}
],
"modified": "2026-10-30T10:30:42.253752819Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/blog/categories/releases/",
"https://about.gitlab.com/releases/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-12428",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 433442,
"published_at": "2020-03-10T14:15:11.503+00:00"
}