Vulnerability-Lookup

GHSA-57Q4-65MF-59MF

Vulnerability from github – Published: 2026-05-14 06:31 – Updated: 2026-05-14 06:31

Details

GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control.

Severity ?

4.3 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-6063"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-639"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-14T06:16:24Z",
    "severity": "MODERATE"
  },
  "details": "GitLab has remediated an issue in GitLab EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control.",
  "id": "GHSA-57q4-65mf-59mf",
  "modified": "2026-05-14T06:31:33Z",
  "published": "2026-05-14T06:31:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6063"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/3649087"
    },
    {
      "type": "WEB",
      "url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596332"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-6063 (GCVE-0-2026-6063)

Vulnerability from cvelistv5 – Published: 2026-05-14 05:34 – Updated: 2026-05-14 13:21

Title

Authorization Bypass Through User-Controlled Key in GitLab

Summary

Severity ?

4.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CWE

CWE-639 - Authorization Bypass Through User-Controlled Key

Assigner

GitLab

References

3 references

URL	Tags
https://gitlab.com/gitlab-org/gitlab/-/work_items…
https://hackerone.com/reports/3649087	technical-descriptionexploitpermissions-required
https://about.gitlab.com/releases/2026/05/13/patc…

Impacted products

1 product

Vendor	Product	Version
GitLab	GitLab	Affected: 11.10 , < 18.9.7 (semver) Affected: 18.10 , < 18.10.6 (semver) Affected: 18.11 , < 18.11.3 (semver) cpe:2.3:a:gitlab:gitlab::::::::

Credits

Thanks [pollito](https://hackerone.com/pollito) for reporting this vulnerability through our HackerOne bug bounty program

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-6063",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-14T13:21:41.702425Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-14T13:21:53.278Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "GitLab",
          "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
          "vendor": "GitLab",
          "versions": [
            {
              "lessThan": "18.9.7",
              "status": "affected",
              "version": "11.10",
              "versionType": "semver"
            },
            {
              "lessThan": "18.10.6",
              "status": "affected",
              "version": "18.10",
              "versionType": "semver"
            },
            {
              "lessThan": "18.11.3",
              "status": "affected",
              "version": "18.11",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [pollito](https://hackerone.com/pollito) 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 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that under certain conditions could have allowed an authenticated user with developer-role permissions to remove code owner approval rules from merge requests due to improper access control."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/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-639",
              "description": "CWE-639: Authorization Bypass Through User-Controlled Key",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-14T05:34:12.358Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/596332"
        },
        {
          "name": "HackerOne Bug Bounty Report #3649087",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/3649087"
        },
        {
          "url": "https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to versions 18.9.7, 18.10.6, 18.11.3 or above."
        }
      ],
      "title": "Authorization Bypass Through User-Controlled Key in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-6063",
    "datePublished": "2026-05-14T05:34:12.358Z",
    "dateReserved": "2026-04-10T12:33:39.407Z",
    "dateUpdated": "2026-05-14T13:21:53.278Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-57Q4-65MF-59MF

CVE-2026-6063 (GCVE-0-2026-6063)

Tags

Sightings

Nomenclature