High
Insertion of Sensitive Information Into Sent Data in GitLab
Type: advisorySources: Official CVE List
An issue has been discovered in GitLab EE affecting all versions starting from 11.6 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. It was possible for an unauthorised project or group member to read the CI/CD variables using the custom project templates.
- Products
- GitLab
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-3399
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:27 UTC · Revision 1
Source evidence
Insertion of Sensitive Information Into Sent Data in GitLab
core-cve · Original sourcePublished 6 Nov 2023, 12:08 UTC
An issue has been discovered in GitLab EE affecting all versions starting from 11.6 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. It was possible for an unauthorised project or group member to read the CI/CD variables using the custom project templates.
cve:CVE-2023-3399
GitLab
Fixed versions: Not specified
Complete source record
{
"id": "9186e1a6aa77b0935116c56ddc536ead29814c81b339425bab9b44311abc238c",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-3399",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Insertion of Sensitive Information Into Sent Data in GitLab",
"summary": "An issue has been discovered in GitLab EE affecting all versions starting from 11.6 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. It was possible for an unauthorised project or group member to read the CI/CD variables using the custom project templates.",
"evidence": "cve:CVE-2023-3399",
"products": [
{
"name": {
"value": "GitLab",
"evidence": "/containers/cna/affected/0/product"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CVE-2023-3399",
"aliases": [
"CVE-2023-3399"
],
"metrics": [
{
"format": "CVSS",
"cvssV3_1": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"affected": [
{
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
"repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
"vendor": "GitLab",
"product": "GitLab",
"versions": [
{
"status": "affected",
"version": "11.6",
"lessThan": "16.3.6",
"versionType": "semver"
},
{
"status": "affected",
"version": "16.4",
"lessThan": "16.4.2",
"versionType": "semver"
},
{
"status": "affected",
"version": "16.5",
"lessThan": "16.5.1",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"modified": "2026-10-28T11:39:49.684Z",
"provider": "cve",
"references": [
"https://gitlab.com/gitlab-org/gitlab/-/issues/416244",
"https://hackerone.com/reports/2021616"
],
"provider_metadata": {
"adp": [
{
"title": "CISA ADP Vulnrichment",
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-3399",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-07-24T13:40:19.625133Z"
}
}
}
],
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2024-09-17T16:02:07.786Z"
}
},
{
"title": "CVE Program Container",
"references": [
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/416244",
"name": "GitLab Issue #416244",
"tags": [
"issue-tracking",
"x_transferred"
]
},
{
"url": "https://hackerone.com/reports/2021616",
"name": "HackerOne Bug Bounty Report #2021616",
"tags": [
"technical-description",
"exploit",
"x_transferred"
]
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-02T06:55:03.360Z"
}
}
],
"cna": {
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab",
"dateUpdated": "2026-10-28T11:39:49.684Z"
}
}
},
"related_cves": [
{
"value": "CVE-2023-3399",
"evidence": "/cveMetadata/cveId"
}
],
"security_relevant": true,
"severity_evidence": "/containers/cna/metrics"
},
"source_id": "core-cve",
"document_id": 432225,
"published_at": "2023-11-06T12:08:54.97+00:00"
}