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CVE-2026-1868

Estado: AplazadaCrítica (9.9)—

GitLab has remediated a vulnerability in the Duo Workflow Service component of GitLab AI Gateway affecting all versions of the AI Gateway from 18.1.6, 18.2.6, 18.3.1 to 18.6.1, 18.7.0, and 18.8.0 in which AI Gateway was vulnerable to insecure template expansion of user supplied data via crafted Duo Agent Platform Flow definitions. This vulnerability could be used to cause Denial of Service or gain code execution on the Gateway. This has been fixed in versions 18.6.2, 18.7.1, and 18.8.1 of the GitLab AI Gateway.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

AV:N/PR:L/AC:L indica explotación remota con privilegios; template injection en Duo Workflow Service permite ejecución de código o DoS. CWE-1336 (template injection) sustenta T1059 como impacto primario.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Privileged Account ManagementDisable or Remove Feature or ProgramVulnerability ScanningThreat Intelligence ProgramRestrict Web-Based ContentNetwork Segmentation

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Gitlab — AI GatewayAIGitlab — DUO Workflow ServiceAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-1868",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-1868",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-02-09T15:46:36.826269Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@gitlab.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.1
      }
    ]
  },
  "affected": [
    {
      "source": "cve@gitlab.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:gitlab:ai-gateway:*:*:*:*:*:*:*:*"
          ],
          "vendor": "GitLab",
          "product": "GitLab AI Gateway",
          "versions": [
            {
              "status": "affected",
              "version": "18.1.6",
              "lessThan": "18.6.2",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "18.7.0",
              "lessThan": "18.7.1",
              "versionType": "semver"
            },
            {
              "status": "affected",
              "version": "18.8.0",
              "lessThan": "18.8.1",
              "versionType": "semver"
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  ],
  "published": "2026-02-09T07:16:18.250",
  "references": [
    {
      "url": "https://about.gitlab.com/releases/2026/02/06/patch-release-gitlab-ai-gateway-18-8-1-released/",
      "source": "cve@gitlab.com"
    },
    {
      "url": "https://gitlab.com/gitlab-org/modelops/applied-ml/code-suggestions/ai-assist/-/work_items/1850",
      "source": "cve@gitlab.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@gitlab.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1336"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "GitLab has remediated a vulnerability in the Duo Workflow Service component of GitLab AI Gateway affecting all versions of the AI Gateway from 18.1.6, 18.2.6, 18.3.1 to 18.6.1, 18.7.0, and 18.8.0 in which AI Gateway was vulnerable to insecure template expansion of user supplied data via crafted Duo Agent Platform Flow definitions. This vulnerability could be used to cause Denial of Service or gain code execution on the Gateway. This has been fixed in versions 18.6.2, 18.7.1, and 18.8.1 of the GitLab AI Gateway."
    },
    {
      "lang": "es",
      "value": "GitLab ha remediado una vulnerabilidad en el componente Duo Workflow Service de GitLab AI Gateway que afecta a todas las versiones de AI Gateway desde la 18.1.6, 18.2.6, 18.3.1 hasta la 18.6.1, 18.7.0 y 18.8.0, en las que AI Gateway era vulnerable a la expansión insegura de plantillas de datos proporcionados por el usuario a través de definiciones de flujo (Flow) de Duo Agent Platform manipuladas. Esta vulnerabilidad podría utilizarse para causar denegación de servicio o para obtener ejecución de código en el Gateway. Esto se ha corregido en las versiones 18.6.2, 18.7.1 y 18.8.1 de GitLab AI Gateway."
    }
  ],
  "lastModified": "2026-06-17T10:16:38.343",
  "sourceIdentifier": "cve@gitlab.com"
}