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CVE-2026-1387

Estado: AnalizadaMedia (6.5)—

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.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Gitlab — Gitlab

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-1387",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-1387",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-11T21:17:22.725712Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
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  "affected": [
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          "versions": [
            {
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  "published": "2026-02-11T12:16:04.547",
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      "url": "https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/",
      "tags": [
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        "Vendor Advisory"
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    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/587546",
      "tags": [
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        "Issue Tracking"
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      "source": "cve@gitlab.com"
    },
    {
      "url": "https://hackerone.com/reports/3515994",
      "tags": [
        "Broken Link"
      ],
      "source": "cve@gitlab.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@gitlab.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "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 podría haber permitido a un usuario autenticado causar una denegación de servicio al subir un archivo malicioso y consultarlo repetidamente a través de GraphQl."
    }
  ],
  "lastModified": "2026-06-17T10:15:41.383",
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              "versionEndExcluding": "18.6.6",
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