FKIE_CVE-2026-2745

Vulnerability from fkie_nvd - Published: 2026-03-25 17:16 - Updated: 2026-06-17 10:31
Severity
6.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process.
References
cve@gitlab.comhttps://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/Release Notes, Vendor Advisory
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/work_items/590810Broken Link
cve@gitlab.comhttps://hackerone.com/reports/3557844Permissions Required
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
gitlab gitlab 18.10.0
gitlab gitlab 18.10.0
To clipboard 

{
  "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": "18.8.7",
              "status": "affected",
              "version": "7.11",
              "versionType": "semver"
            },
            {
              "lessThan": "18.9.3",
              "status": "affected",
              "version": "18.9",
              "versionType": "semver"
            },
            {
              "lessThan": "18.10.1",
              "status": "affected",
              "version": "18.10",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "cve@gitlab.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "BC1BE350-F69B-4723-9253-3AD72B05258E",
              "versionEndExcluding": "18.8.7",
              "versionStartIncluding": "7.11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "61B4B116-5BAD-4AA0-BC4F-E6306107497F",
              "versionEndExcluding": "18.8.7",
              "versionStartIncluding": "7.11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
              "matchCriteriaId": "96F7E7EC-4C2E-4A48-8134-9262B251C89C",
              "versionEndExcluding": "18.9.3",
              "versionStartIncluding": "18.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "C3240349-67A3-43E2-BAD9-EFAA3E0A5D31",
              "versionEndExcluding": "18.9.3",
              "versionStartIncluding": "18.9.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:community:*:*:*",
              "matchCriteriaId": "D5B6ECC9-6AEA-4DD0-B12B-A3A7A9FE91DA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:18.10.0:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "2B8DF779-B99E-4096-B734-78AB1849D136",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 7.11 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an unauthenticated user to bypass WebAuthn two-factor authentication and gain unauthorized access to user accounts due to inconsistent input validation in the authentication process."
    },
    {
      "lang": "es",
      "value": "GitLab ha remediado un problema en GitLab CE/EE que afecta a todas las versiones desde la 7.11 anterior a la 18.8.7, la 18.9 anterior a la 18.9.3, y la 18.10 anterior a la 18.10.1 que podr\u00eda haber permitido a un usuario no autenticado eludir la autenticaci\u00f3n de dos factores de WebAuthn y obtener acceso no autorizado a cuentas de usuario debido a una validaci\u00f3n de entrada inconsistente en el proceso de autenticaci\u00f3n."
    }
  ],
  "id": "CVE-2026-2745",
  "lastModified": "2026-06-17T10:31:38.687",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 5.2,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-2745",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-25T00:00:00+00:00",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-25T17:16:57.803",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/590810"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/3557844"
    }
  ],
  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-288"
        }
      ],
      "source": "cve@gitlab.com",
      "type": "Secondary"
    }
  ]
}



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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

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.



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