Low
Improper Control of Resource Identifiers ('Resource Injection') in GitLab
Type: advisorySources: OSV
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-3855
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 11:20 UTC · Revision 1
Source evidence
Improper Control of Resource Identifiers ('Resource Injection') in GitLab
core-osv · Original sourcePublished 16 Sept 2026, 06:34 UTC
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.
osv:CVE-2026-3855
Complete source record
{
"id": "9b35713eb495de90746577041c5b87d3ffdddbf9593dab1e104a54fb5d118752",
"url": "https://osv.dev/vulnerability/CVE-2026-3855",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Improper Control of Resource Identifiers ('Resource Injection') in GitLab",
"summary": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2.7 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2 that under certain conditions could have allowed an authenticated user with project-level permissions to access restricted file contents on the server or cause denial of service due to improper validation of parameters in the Terraform state upload functionality.",
"evidence": "osv:CVE-2026-3855",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-3855",
"aliases": [
"BIT-gitlab-2026-3855",
"CVE-2026-3855"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/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": "209ac0f668d898508cd90eb9eac4d24ce5f989af"
},
{
"fixed": "ec0fce03a55d83fb520d92d1428491e950dd51f4"
},
{
"introduced": "68485a1eb627c9a992f266263157327649822db3"
},
{
"fixed": "684d9581bfefb68c8593331266b69702589d80a3"
},
{
"introduced": "8f83039bebbbb61d3b7b8b7e2342d1deec1e14c6"
},
{
"fixed": "601afd607baae60e14e83e16fb9dea03cf8c7032"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.2.7"
},
{
"fixed": "19.1.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.2.7"
},
{
"fixed": "19.1.8"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "19.2.0"
},
{
"fixed": "19.2.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "19.2.0"
},
{
"fixed": "19.2.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "19.3.0"
},
{
"fixed": "19.3.2"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "19.3.0"
},
{
"fixed": "19.3.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v19.3.0-ee",
"v19.2.0-ee"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3855.json"
}
}
],
"modified": "2026-10-30T10:30:36.695156841Z",
"provider": "osv",
"references": [
"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-3-2-released/",
"https://gitlab.com/gitlab-org/gitlab/-/work_items/592821",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3855.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-3855",
"https://hackerone.com/reports/3575167"
],
"provider_metadata": {
"cwe_ids": [
"CWE-99"
],
"cna_assigner": "GitLab",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "18.2.7"
},
{
"fixed": "19.1.8"
},
{
"introduced": "19.2"
},
{
"fixed": "19.2.6"
},
{
"introduced": "19.3"
},
{
"fixed": "19.3.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
},
{
"extracted_events": [
{
"range": [
{
"introduced": "18.2.7"
},
{
"fixed": "19.1.8"
},
{
"introduced": "19.2"
},
{
"fixed": "19.2.6"
},
{
"introduced": "19.3"
},
{
"fixed": "19.3.2"
}
],
"source": "DESCRIPTION"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3855.json"
}
},
"related_cves": [
{
"value": "CVE-2026-3855",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 494908,
"published_at": "2026-09-16T06:34:30.822+00:00"
}