Medium
Authorization Bypass Through User-Controlled Key in GitLab
Type: advisorySources: OSV
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to download private debugging symbols from inaccessible projects due to improper access control.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-3074
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 17:25 UTC · Revision 1
Source evidence
Authorization Bypass Through User-Controlled Key in GitLab
core-osv · Original sourcePublished 14 May 2026, 05:36 UTC
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to download private debugging symbols from inaccessible projects due to improper access control.
osv:CVE-2026-3074
Complete source record
{
"id": "ebccbc316d5f573e73c50a0bd7857de2526fc81e29de11eac474e07225a86623",
"url": "https://osv.dev/vulnerability/CVE-2026-3074",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Authorization Bypass Through User-Controlled Key in GitLab",
"summary": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to download private debugging symbols from inaccessible projects due to improper access control.",
"evidence": "osv:CVE-2026-3074",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-3074",
"aliases": [
"BIT-gitlab-2026-3074",
"CVE-2026-3074"
],
"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": "9e7d34f7ff11405ece06ec398b66965d153cee6f"
},
{
"fixed": "d2242c5752a152db3c281d8a9d1e7f248e1654a9"
},
{
"introduced": "57c08314af5bc8f317b1967330f92ed029e2c628"
},
{
"fixed": "f80804c4e73fb0404af24e88ffb5246c0aeeda40"
},
{
"introduced": "1060c7b0ff78be7c8abe8fd6d23dcb1ca493fd78"
},
{
"fixed": "daa4145c8330213081c57260b569539e3b157b87"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "16.7.0"
},
{
"fixed": "18.9.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "16.7.0"
},
{
"fixed": "18.9.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.10.0"
},
{
"fixed": "18.10.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.10.0"
},
{
"fixed": "18.10.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.11.0"
},
{
"fixed": "18.11.3"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.11.0"
},
{
"fixed": "18.11.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v18.10.5-ee",
"v18.11.2-ee",
"v18.11.0-ee",
"v18.10.2-ee",
"v18.10.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3074.json"
}
}
],
"modified": "2026-10-30T10:31:04.909369769Z",
"provider": "osv",
"references": [
"https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/",
"https://gitlab.com/gitlab-org/gitlab/-/work_items/591229",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3074.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-3074",
"https://hackerone.com/reports/3556163"
],
"provider_metadata": {
"cwe_ids": [
"CWE-639"
],
"cna_assigner": "GitLab",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "16.7"
},
{
"fixed": "18.9.7"
},
{
"introduced": "18.10"
},
{
"fixed": "18.10.6"
},
{
"introduced": "18.11"
},
{
"fixed": "18.11.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
},
{
"extracted_events": [
{
"range": [
{
"introduced": "16.7"
},
{
"fixed": "18.9.7"
},
{
"introduced": "18.10"
},
{
"fixed": "18.10.6"
},
{
"introduced": "18.11"
},
{
"fixed": "18.11.3"
}
],
"source": "DESCRIPTION"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3074.json"
}
},
"related_cves": [
{
"value": "CVE-2026-3074",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 497812,
"published_at": "2026-05-14T05:36:02.934+00:00"
}