CVE-2026-18276

{
  "id": "CVE-2026-18276",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-06T16:16:37.977",
  "lastModified": "2026-10-23T21:10:00.157",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing authorization in the websocket consumer in Scripta eScriptorium through 26.04.1 allows a remote authenticated user to subscribe to any document's event stream and observe another user's segmentation, transcription, import, export and training activity via the object_cls and object_pk values of a join-room message, which are passed to group_add without an access check"
    },
    {
      "lang": "es",
      "value": "Falta de autorización en el consumidor de websocket en Scripta eScriptorium hasta el 26.04.1 permite a un usuario remoto autenticado suscribirse al flujo de eventos de cualquier documento y observar la actividad de segmentación, transcripción, importación, exportación y entrenamiento de otro usuario a través de los valores object_cls y object_pk de un mensaje de ’join-room’, que se pasan a group_add sin una verificación de acceso."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Scripta",
          "product": "eScriptorium",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "26.4.1",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-06T15:46:59.786117Z",
          "id": "CVE-2026-18276",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:escriptorium:escriptorium:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "26.04.1",
              "matchCriteriaId": "362E7B9E-A763-49D5-B9FE-9105E6759CCB"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gitlab.com/scripta/escriptorium/-/work_items/1229",
      "source": "[email protected]",
      "tags": [
        "Permissions Required"
      ]
    }
  ]
}