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CVE-2026-1181

Estado: AplazadaCrítica (9)—

Altium 365 workspace endpoints were configured with an overly permissive Cross-Origin Resource Sharing (CORS) policy that allowed credentialed cross-origin requests from other Altium-controlled subdomains, including forum.live.altium.com. As a result, JavaScript executing on those origins could access authenticated workspace APIs in the context of a logged-in user. When chained with vulnerabilities in those external applications, this misconfiguration enables unauthorized access to workspace data, administrative actions, and bypass of IP allowlisting controls, including in GovCloud environments.

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.

XSS en subdominio controlado (forum.live.altium.com) + CORS permisivo permite JS malicioso acceder APIs autenticadas; CWE-284 (permisos excesivos). Acceso a datos workspace y bypass de IP allowlisting.

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

User TrainingApplication Developer GuidanceActive Directory ConfigurationUser Account ManagementSSL/TLS InspectionRestrict Web-Based Content

Tecnologías afectadas (1)

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

Altium — 365AI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-1181",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-1181",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-01-20T21:29:36.260341Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
      "affectedData": [
        {
          "vendor": "Altium",
          "modules": [
            "Workspace API"
          ],
          "product": "Altium 365",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "versionType": "semver"
            }
          ],
          "platforms": [
            "Web"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-01-19T13:16:20.543",
  "references": [
    {
      "url": "https://www.altium.com/platform/security-compliance/security-advisories",
      "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        },
        {
          "lang": "en",
          "value": "CWE-942"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Altium 365 workspace endpoints were configured with an overly permissive Cross-Origin Resource Sharing (CORS) policy that allowed credentialed cross-origin requests from other Altium-controlled subdomains, including forum.live.altium.com. As a result, JavaScript executing on those origins could access authenticated workspace APIs in the context of a logged-in user. When chained with vulnerabilities in those external applications, this misconfiguration enables unauthorized access to workspace data, administrative actions, and bypass of IP allowlisting controls, including in GovCloud environments."
    },
    {
      "lang": "es",
      "value": "Los puntos finales del espacio de trabajo de Altium 365 fueron configurados con una política de Intercambio de Recursos de Origen Cruzado (CORS) excesivamente permisiva que permitía solicitudes de origen cruzado con credenciales desde otros subdominios controlados por Altium, incluyendo forum.live.altium.com. Como resultado, el JavaScript que se ejecutaba en esos orígenes podía acceder a las API autenticadas del espacio de trabajo en el contexto de un usuario con sesión iniciada. Cuando se encadena con vulnerabilidades en esas aplicaciones externas, esta mala configuración permite el acceso no autorizado a los datos del espacio de trabajo, acciones administrativas y la elusión de los controles de inclusión en lista blanca de IP, incluso en entornos GovCloud."
    }
  ],
  "lastModified": "2026-06-17T10:15:16.987",
  "sourceIdentifier": "4760f414-e1ae-4ff1-bdad-c7a9c3538b79"
}