2026-10-21 23:35CVE-2026-14288GitLab
PUBLISHED5.2ApplicationCWE-706

Use of Incorrectly-Resolved Name or Reference in GitLab

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.

Problem type

Affected products

GitLab

GitLab

< 19.3.6 - AFFECTED

< 19.4.3 - AFFECTED

< 19.5.1 - AFFECTED

References

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-14288
Click 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"
        }
      ]
    }
  }
}