High
Security advisory
An issue was discovered in GitLab 10.7.0 and later through 12.9.2. A Workhorse bypass could lead to job artifact uploads and file disclosure (Exposure of Sensitive Information) via request smuggling.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-11506
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:34 UTC · Revision 1
Source evidence
An issue was discovered in GitLab 10.7.0 and later through 12.9.2. A Workhorse bypass could lead to job artifact uploads and file disclosure (Exposure of Sensitive Information) via request smuggling.
osv:CVE-2020-11506
Complete source record
{
"id": "126a5466a24a4bbebe0c29442b3a9c3597d8e7af23588636d2236ccd5946d43c",
"url": "https://osv.dev/vulnerability/CVE-2020-11506",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-11506",
"summary": "An issue was discovered in GitLab 10.7.0 and later through 12.9.2. A Workhorse bypass could lead to job artifact uploads and file disclosure (Exposure of Sensitive Information) via request smuggling.",
"evidence": "osv:CVE-2020-11506",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-11506",
"aliases": [
"BIT-gitlab-2020-11506",
"CVE-2020-11506"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "5790caa7dc2fccf506a58da65f7d8aefaae3a18b"
},
{
"fixed": "653aeeabba2ac7b5510af3901d1e684436ca901c"
},
{
"introduced": "0"
},
{
"fixed": "653aeeabba2ac7b5510af3901d1e684436ca901c"
},
{
"introduced": "0bd32f788647bb832f3d9eb5746cbda5300e0fa2"
},
{
"fixed": "bdf986aa14379fc3e5981b186320cc23f0ab31a9"
},
{
"introduced": "073a4ba8016203c9e48595afd3ddea430d9420a3"
},
{
"fixed": "7c13691fb8ee04fc566782d3aa3e84b447a85edc"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "10.7.0"
},
{
"fixed": "12.7.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "10.7.9"
},
{
"fixed": "12.7.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "12.8.0"
},
{
"fixed": "12.8.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "12.8.0"
},
{
"fixed": "12.8.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "12.9.0"
},
{
"fixed": "12.9.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "12.9.0"
},
{
"fixed": "12.9.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v12.9.2-ee",
"v12.8.5-ee",
"v12.8.3-ee",
"v12.9.0-ee",
"v12.8.7-ee",
"v12.8.4-ee",
"v12.8.1-ee",
"v12.7.5-ee",
"v12.8.0-ee",
"v12.7.0-ee",
"v12.7.2-ee",
"v12.7.1-ee",
"v12.7.0-rc43-ee",
"v12.7.0-rc42-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",
"v6.7.0-ee",
"v6.7.0.rc1-ee",
"v6.6.0-ee",
"v6.5.0-ee",
"v6.4.0-ee",
"v6.3.1-ee",
"v6.3.0-ee",
"v6.1.0-ee",
"v6.0.0-ee",
"v6.0.0-ee.rc1",
"v6.0.0-ee.beta",
"v5.2.0",
"v5.1.0",
"v5.0.0",
"v4.0.0",
"v4.0.0rc2",
"v4.0.0rc1",
"v3.1.0",
"v3.0.3",
"v3.0.2",
"v3.0.1",
"v3.0.0",
"v2.9.1",
"v2.9.0",
"v2.8.2",
"v2.8.1",
"v2.8.0",
"v2.8.0pre",
"v2.7.0",
"v2.7.0pre",
"v2.6.3",
"v2.6.2",
"v2.6.1",
"v2.6.0",
"v2.6.0pre",
"v2.5.0",
"v2.4.1",
"v2.4.0",
"v2.4.0pre",
"v2.3.1",
"v2.3.0",
"v2.3.0pre",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.2.0pre"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11506.json"
}
}
],
"modified": "2026-10-30T10:30:40.550064542Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/blog/categories/releases/",
"https://about.gitlab.com/releases/2020/04/14/critical-security-release-gitlab-12-dot-9-dot-3-released/"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-11506",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432603,
"published_at": "2020-04-22T20:15:11.37+00:00"
}