GitLab has remediated an issue in GitLab EE affecting all versions from 17.4 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated to bypass a required merge request approval policy on a protected branch due to improper access control during approval rule synchronization.
PUBLISHED5.2ApplicationCWE-706
Use of Incorrectly-Resolved Name or Reference in GitLab
Problem type
Affected products
GitLab
GitLab
< 19.3.6 - AFFECTED
< 19.4.3 - AFFECTED
< 19.5.1 - AFFECTED
References
gitlab.com
https://gitlab.com/gitlab-org/gitlab/-/work_items/604630
HackerOne Bug Bounty Report #3797008
https://hackerone.com/reports/3797008
docs.gitlab.com
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-14288Click to expand
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-14288",
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"assignerShortName": "GitLab",
"dateUpdated": "2026-10-21T23:35:20.426Z",
"dateReserved": "2026-07-01T08:03:59.915Z",
"datePublished": "2026-10-21T23:35:20.426Z",
"state": "PUBLISHED"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab",
"dateUpdated": "2026-10-21T23:35:20.426Z"
},
"title": "Use of Incorrectly-Resolved Name or Reference in GitLab",
"descriptions": [
{
"lang": "en",
"value": "GitLab has remediated an issue in GitLab EE affecting all versions from 17.4 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that under certain conditions could have allowed an authenticated to bypass a required merge request approval policy on a protected branch due to improper access control during approval rule synchronization."
}
],
"affected": [
{
"vendor": "GitLab",
"product": "GitLab",
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
"repo": "https://gitlab.com/gitlab-org/gitlab",
"defaultStatus": "unaffected",
"versions": [
{
"version": "17.4",
"status": "affected",
"versionType": "semver",
"lessThan": "19.3.6"
},
{
"version": "19.4",
"status": "affected",
"versionType": "semver",
"lessThan": "19.4.3"
},
{
"version": "19.5",
"status": "affected",
"versionType": "semver",
"lessThan": "19.5.1"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "CWE-706: Use of Incorrectly-Resolved Name or Reference",
"cweId": "CWE-706",
"type": "CWE"
}
]
}
],
"references": [
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/604630"
},
{
"url": "https://hackerone.com/reports/3797008",
"name": "HackerOne Bug Bounty Report #3797008",
"tags": [
"technical-description",
"exploit",
"permissions-required"
]
},
{
"url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"baseScore": 3.1,
"baseSeverity": "LOW"
}
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above."
}
],
"credits": [
{
"lang": "en",
"value": "Thanks [3nvz](https://hackerone.com/3nvz) for reporting this vulnerability through our HackerOne bug bounty program",
"type": "finder"
}
]
}
}
}