CVE-2026-14288 (GCVE-0-2026-14288)
Vulnerability from cvelistv5
Published
2026-10-21 23:35
Modified
2026-10-21 23:35
Severity ?
3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CWE
  • CWE-706 - Use of Incorrectly-Resolved Name or Reference
Summary
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.
References
Impacted products
Vendor Product Version
GitLab GitLab Version: 17.4   ≤
Version: 19.4   ≤
Version: 19.5   ≤
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "https://gitlab.com/gitlab-org/gitlab",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "19.3.6",
              "status": "affected",
              "version": "17.4",
              "versionType": "semver"
            },
            {
              "lessThan": "19.4.3",
              "status": "affected",
              "version": "19.4",
              "versionType": "semver"
            },
            {
              "lessThan": "19.5.1",
              "status": "affected",
              "version": "19.5",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [3nvz](https://hackerone.com/3nvz) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-706",
              "description": "CWE-706: Use of Incorrectly-Resolved Name or Reference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-21T23:35:20.426Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/604630"
        },
        {
          "name": "HackerOne Bug Bounty Report #3797008",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3797008"
        },
        {
          "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 19.3.6, 19.4.3, 19.5.1 or above."
        }
      ],
      "title": "Use of Incorrectly-Resolved Name or Reference in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-14288",
    "datePublished": "2026-10-21T23:35:20.426Z",
    "dateReserved": "2026-07-01T08:03:59.915Z",
    "dateUpdated": "2026-10-21T23:35:20.426Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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