Medium
Security advisory
GitLab 12.2.2 and below contains a security vulnerability that allows a guest user in a private project to see the merge request ID associated to an issue via the activity timeline.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2019-15592
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:20 UTC · Revision 1
Source evidence
GitLab 12.2.2 and below contains a security vulnerability that allows a guest user in a private project to see the merge request ID associated to an issue via the activity timeline.
osv:CVE-2019-15592
Complete source record
{
"id": "9cb39199e2ca8b00f1da8630b7e2ee16284bcf0094d260ec48d1efa1a200b00d",
"url": "https://osv.dev/vulnerability/CVE-2019-15592",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2019-15592",
"summary": "GitLab 12.2.2 and below contains a security vulnerability that allows a guest user in a private project to see the merge request ID associated to an issue via the activity timeline.",
"evidence": "osv:CVE-2019-15592",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2019-15592",
"aliases": [
"CVE-2019-15592"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "44dbeccbe1039cb1d42d8502655ffb0bce3ae803"
},
{
"fixed": "f24cca94101de4e53f2be08deba3a15254823808"
},
{
"introduced": "1f2e6f3f6d84b8eab5526acdd69c38f5b78c3b0e"
},
{
"fixed": "a9cdd7fb733c20e5f8790f71921cb6540b5ac92a"
},
{
"introduced": "30032e00da906361c553a1eef4ffcd13378b43ee"
},
{
"fixed": "3a1dd80d30c720f1ba829178a698c3a34b7dfc25"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.2.0"
},
{
"fixed": "12.0.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.2.0"
},
{
"fixed": "12.0.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "12.1.0"
},
{
"fixed": "12.1.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "12.1.0"
},
{
"fixed": "12.1.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "12.2.0"
},
{
"fixed": "12.2.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "12.2.0"
},
{
"fixed": "12.2.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v12.2.1-ee",
"v12.2.0-ee",
"v12.1.6-ee",
"v12.1.4-ee",
"v12.1.3-ee",
"v12.1.2-ee",
"v12.1.1-ee",
"v12.1.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-15592.json"
}
}
],
"modified": "2026-10-30T10:30:21.285755435Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/releases/2019/08/29/security-release-gitlab-12-dot-2-dot-3-released/",
"https://hackerone.com/reports/588876"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2019-15592",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431778,
"published_at": "2020-02-14T22:15:10.36+00:00"
}