CVE-2026-41649

{
  "id": "CVE-2026-41649",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-41649",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-29T13:11:57.248692Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 7.7,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 3.1
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "outline",
          "product": "outline",
          "versions": [
            {
              "status": "affected",
              "version": ">= 0.86.0, < 1.7.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-04-28T22:16:49.747",
  "references": [
    {
      "url": "https://github.com/outline/outline/commit/1b91a295e10f58a1088c54f533773788325ff460",
      "tags": [
        "Patch"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/outline/outline/releases/tag/v1.7.0",
      "tags": [
        "Release Notes"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/outline/outline/security/advisories/GHSA-23jj-rp48-w7q7",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/outline/outline/security/advisories/GHSA-23jj-rp48-w7q7",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Outline is a service that allows for collaborative documentation. The `shares.create` API endpoint starting in version 0.86.0 and prior to version 1.7.0 has an insecure direct object reference.. When both `collectionId` and `documentId` are provided in the request, the authorization logic only checks access to the collection, completely ignoring the document. This allows an authenticated attacker to generate a valid public share link for any document on the platform, including documents belonging to other workspaces. The full document contents can then be retrieved via the `documents.info` endpoint. Version 1.7.0 contains a patch."
    },
    {
      "lang": "es",
      "value": "Outline es un servicio que permite la documentación colaborativa. El endpoint de la API 'shares.create' a partir de la versión 0.86.0 y anterior a la versión 1.7.0 tiene una referencia directa insegura a objetos. Cuando tanto 'collectionId' como 'documentId' se proporcionan en la solicitud, la lógica de autorización solo verifica el acceso a la colección, ignorando completamente el documento. Esto permite a un atacante autenticado generar un enlace de compartición público válido para cualquier documento en la plataforma, incluidos los documentos que pertenecen a otros espacios de trabajo. El contenido completo del documento puede recuperarse entonces a través del endpoint 'documents.info'. La versión 1.7.0 contiene un parche."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:getoutline:outline:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "29EA0359-AC70-427C-A8E3-1367699EF11B",
              "versionEndExcluding": "1.7.0",
              "versionStartIncluding": "0.86.0"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}