FKIE_CVE-2026-2238

Vulnerability from fkie_nvd - Published: 2026-06-25 05:16 - Updated: 2026-06-26 18:40
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks.
References
cve@gitlab.comhttps://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/Release Notes, Vendor Advisory
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/work_items/589186Broken Link
cve@gitlab.comhttps://hackerone.com/reports/3543011Permissions Required
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab 19.1.0
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": "18.11.6",
              "status": "affected",
              "version": "17.5",
              "versionType": "semver"
            },
            {
              "lessThan": "19.0.3",
              "status": "affected",
              "version": "19.0",
              "versionType": "semver"
            },
            {
              "lessThan": "19.1.1",
              "status": "affected",
              "version": "19.1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "cve@gitlab.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A6C7CC57-7148-48F4-B67D-9E9AF67C4138",
              "versionEndExcluding": "18.11.6",
              "versionStartIncluding": "17.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9AF0E03E-D1A7-4C9E-B0BC-9EE4A5BE7CCC",
              "versionEndExcluding": "19.0.3",
              "versionStartIncluding": "19.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:19.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "49004C41-7512-49AA-A70B-AEE1A6C0718A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.5 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an unauthenticated user to view confidential issue references on public projects due to improper authorization checks."
    }
  ],
  "id": "CVE-2026-2238",
  "lastModified": "2026-06-26T18:40:02.447",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-2238",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-25T12:55:19.991027Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-25T05:16:53.323",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-1-released/"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/work_items/589186"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/3543011"
    }
  ],
  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "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

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.