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CVE-2020-26405

Estado: ModificadaAlta (7.1)—

Una vulnerabilidad de salto de ruta en la funcionalidad package upload en GitLab CE/EE desde la versión 12.8, permite a un atacante guardar paquetes en ubicaciones arbitrarias. Las versiones afectadas son las versiones posteriores a 12.8 e incluyéndola, versiones anteriores a 13.3.9, versiones posteriores a 13.4 e incluyéndola, versiones anteriores a 13.4.5, versiones posteriores a 13.5 e incluyéndola, versiones anteriores a 13.5.2

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-2020-26405",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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        },
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  "affected": [
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      "affectedData": [
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          "product": "GitLab CE/EE",
          "versions": [
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  "published": "2020-11-17T19:15:11.280",
  "references": [
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      "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26405.json",
      "tags": [
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      ],
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/gitlab/-/issues/247371",
      "tags": [
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      "tags": [
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    {
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      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Path traversal vulnerability in package upload functionality in GitLab CE/EE starting from 12.8 allows an attacker to save packages in arbitrary locations. Affected versions are >=12.8, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de salto de ruta en la funcionalidad package upload en GitLab CE/EE desde la versión 12.8, permite a un atacante guardar paquetes en ubicaciones arbitrarias.&#xa0;Las versiones afectadas son las versiones posteriores a 12.8 e incluyéndola, versiones anteriores a 13.3.9, versiones posteriores a 13.4 e incluyéndola, versiones anteriores a 13.4.5, versiones posteriores a 13.5 e incluyéndola, versiones anteriores a 13.5.2"
    }
  ],
  "lastModified": "2026-06-17T03:08:04.693",
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