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CVE-2026-1090

Estado: AnalizadaMedia (5.4)—

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.6 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user, when the `markdown_placeholders` feature flag was enabled, to inject JavaScript in a browser due to improper sanitization of placeholder content in markdown processing.

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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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
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              "automatable": "no"
            },
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              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-03-12T03:55:35.416843Z"
        }
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  "published": "2026-03-11T16:16:22.340",
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      "url": "https://hackerone.com/reports/3502450",
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    },
    {
      "lang": "es",
      "value": "GitLab ha remediado un problema en GitLab CE/EE que afecta a todas las versiones desde la 10.6 antes de la 18.7.6, la 18.8 antes de la 18.8.6, y la 18.9 antes de la 18.9.2 que podría haber permitido a un usuario autenticado, cuando la bandera de característica 'markdown_placeholders' estaba habilitada, inyectar JavaScript en un navegador debido a una sanitización inadecuada del contenido del marcador de posición en el procesamiento de markdown."
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  ],
  "lastModified": "2026-06-17T10:14:58.693",
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