CVE-2026-1751 (GCVE-0-2026-1751)

Vulnerability from cvelistv5 – Published: 2026-02-02 09:04 – Updated: 2026-02-02 13:24
VLAI
Title
Missing Authorization in GitLab
Summary
A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-02 13:24 UTC
CWE
Assigner
GitLab CNA under the mitre root
CNA scorecard B 75/100 over 304 records in the last 180 days details
References
URL Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/519340 issue-trackingpermissions-required
https://hackerone.com/reports/2980839 technical-descriptionexploitpermissions-required
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: 16.8 , < 18.5.0 (semver)
    cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-1751",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-02T13:24:03.135088Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-02T13:24:44.683Z",
          "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": "18.5.0",
              "status": "affected",
              "version": "16.8",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Thanks [theluci](https://hackerone.com/theluci) for reporting this vulnerability through our HackerOne bug bounty program"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-02T09:04:38.090Z",
        "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "shortName": "GitLab"
      },
      "references": [
        {
          "name": "GitLab Issue #519340",
          "tags": [
            "issue-tracking",
            "permissions-required"
          ],
          "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/519340"
        },
        {
          "name": "HackerOne Bug Bounty Report #2980839",
          "tags": [
            "technical-description",
            "exploit",
            "permissions-required"
          ],
          "url": "https://hackerone.com/reports/2980839"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Upgrade to version 18.5.0 or above"
        }
      ],
      "title": "Missing Authorization in GitLab"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
    "assignerShortName": "GitLab",
    "cveId": "CVE-2026-1751",
    "datePublished": "2026-02-02T09:04:38.090Z",
    "dateReserved": "2026-02-02T09:04:33.310Z",
    "dateUpdated": "2026-02-02T13:24:44.683Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-1751",
      "date": "2026-11-04",
      "epss": "0.00239",
      "percentile": "0.15052"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unaffected",
                "product": "GitLab",
                "repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
                "vendor": "GitLab",
                "versions": [
                  {
                    "lessThan": "18.5.0",
                    "status": "affected",
                    "version": "16.8",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "cve@gitlab.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
                    "matchCriteriaId": "B89CF163-DA6E-40E4-9D46-FE5B05B208A9",
                    "versionEndExcluding": "18.5.0",
                    "versionStartIncluding": "16.8.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
                    "matchCriteriaId": "1BF55EB1-AFA1-45BD-B17B-127F49377C54",
                    "versionEndExcluding": "18.5.0",
                    "versionStartIncluding": "16.8.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions."
          },
          {
            "lang": "es",
            "value": "Se ha descubierto una vulnerabilidad en GitLab CE/EE que afecta a todas las versiones a partir de la 16.8 y anteriores a la 18.5.0 que podr\u00eda haber permitido ediciones no autorizadas en las reglas de aprobaci\u00f3n de solicitudes de fusi\u00f3n bajo ciertas condiciones."
          }
        ],
        "id": "CVE-2026-1751",
        "lastModified": "2026-06-17T10:16:27.357",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.1,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.6,
              "impactScore": 1.4,
              "source": "cve@gitlab.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-1751",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-02T13:24:03.135088Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-02-02T10:16:06.693",
        "references": [
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/519340"
          },
          {
            "source": "cve@gitlab.com",
            "tags": [
              "Permissions Required"
            ],
            "url": "https://hackerone.com/reports/2980839"
          }
        ],
        "sourceIdentifier": "cve@gitlab.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-862"
              }
            ],
            "source": "cve@gitlab.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-02-03T09:18:39+00:00",
      "cve": "CVE-2026-1751",
      "id": "CVE-2026-1751",
      "initial_release_date": "2026-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Missing Authorization in GitLab",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1751.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-1751",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-02-02T13:24:03.135088Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-02-02T13:24:30.874Z",
              "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": "18.5.0",
                  "status": "affected",
                  "version": "16.8",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Thanks [theluci](https://hackerone.com/theluci) for reporting this vulnerability through our HackerOne bug bounty program"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability has been discovered in GitLab CE/EE affecting all versions starting with 16.8 before 18.5.0 that could have allowed unauthorized edits to merge request approval rules under certain conditions."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.1,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-862",
                  "description": "CWE-862: Missing Authorization",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-02-02T09:04:38.090Z",
            "orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
            "shortName": "GitLab"
          },
          "references": [
            {
              "name": "GitLab Issue #519340",
              "tags": [
                "issue-tracking",
                "permissions-required"
              ],
              "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/519340"
            },
            {
              "name": "HackerOne Bug Bounty Report #2980839",
              "tags": [
                "technical-description",
                "exploit",
                "permissions-required"
              ],
              "url": "https://hackerone.com/reports/2980839"
            }
          ],
          "solutions": [
            {
              "lang": "en",
              "value": "Upgrade to version 18.5.0 or above"
            }
          ],
          "title": "Missing Authorization in GitLab"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
        "assignerShortName": "GitLab",
        "cveId": "CVE-2026-1751",
        "datePublished": "2026-02-02T09:04:38.090Z",
        "dateReserved": "2026-02-02T09:04:33.310Z",
        "dateUpdated": "2026-02-02T13:24:44.683Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

Loading timeline…


    Loading…

    Loading…

    Loading…

    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.