FKIE_CVE-2026-1387

Vulnerability from fkie_nvd - Published: 2026-02-11 12:16 - Updated: 2026-02-12 21:34
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl.
References
cve@gitlab.comhttps://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/Release Notes, Vendor Advisory
cve@gitlab.comhttps://gitlab.com/gitlab-org/gitlab/-/issues/587546Broken Link, Issue Tracking
cve@gitlab.comhttps://hackerone.com/reports/3515994Broken Link
Impacted products
Vendor Product Version
gitlab gitlab *
gitlab gitlab *
gitlab gitlab *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "3F0CFD5D-2A9D-49FD-A315-392CB1E1277F",
              "versionEndExcluding": "18.6.6",
              "versionStartIncluding": "15.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "DA7B13F4-05B9-436E-A1DC-6C65DB7B44FE",
              "versionEndExcluding": "18.7.4",
              "versionStartIncluding": "18.7.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
              "matchCriteriaId": "6D01D64A-0619-427D-B351-4101FC257674",
              "versionEndExcluding": "18.8.4",
              "versionStartIncluding": "18.8.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated an issue in GitLab EE affecting all versions from 15.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to cause Denial of Service by uploading a malicious file and repeatedly querying it through GraphQl."
    },
    {
      "lang": "es",
      "value": "GitLab ha remediado un problema en GitLab EE que afecta a todas las versiones desde la 15.6 anterior a la 18.6.6, la 18.7 anterior a la 18.7.4, y la 18.8 anterior a la 18.8.4 que podr\u00eda haber permitido a un usuario autenticado causar una denegaci\u00f3n de servicio al subir un archivo malicioso y consultarlo repetidamente a trav\u00e9s de GraphQl."
    }
  ],
  "id": "CVE-2026-1387",
  "lastModified": "2026-02-12T21:34:48.907",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "cve@gitlab.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-11T12:16:04.547",
  "references": [
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Broken Link",
        "Issue Tracking"
      ],
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/587546"
    },
    {
      "source": "cve@gitlab.com",
      "tags": [
        "Broken Link"
      ],
      "url": "https://hackerone.com/reports/3515994"
    }
  ],
  "sourceIdentifier": "cve@gitlab.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "cve@gitlab.com",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

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.