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CVE-2026-34523

Estado: AnalizadaMedia (5.3)—

SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to version 1.17.0, a path traversal vulnerability in the static file route handler allows any unauthenticated user to determine whether files exist anywhere on the server's filesystem. by sending percent-encoded "../" sequences (%2E%2E%2F) in requests to static file routes, an attacker can check for the existence of files. This issue has been patched in version 1.17.0.

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)

Sillytavern — Sillytavern

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-34523",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-34523",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-03T15:54:43.014501Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "SillyTavern",
          "product": "SillyTavern",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.17.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-04-02T18:16:29.613",
  "references": [
    {
      "url": "https://github.com/SillyTavern/SillyTavern/releases/tag/1.17.0",
      "tags": [
        "Release Notes"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/SillyTavern/SillyTavern/security/advisories/GHSA-525j-2hrj-m8fp",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "SillyTavern is a locally installed user interface that allows users to interact with text generation large language models, image generation engines, and text-to-speech voice models. Prior to version 1.17.0, a path traversal vulnerability in the static file route handler allows any unauthenticated user to determine whether files exist anywhere on the server's filesystem. by sending percent-encoded \"../\" sequences (%2E%2E%2F) in requests to static file routes, an attacker can check for the existence of files. This issue has been patched in version 1.17.0."
    },
    {
      "lang": "es",
      "value": "SillyTavern es una interfaz de usuario instalada localmente que permite a los usuarios interactuar con modelos de lenguaje grandes de generación de texto, motores de generación de imágenes y modelos de voz de texto a voz. Antes de la versión 1.17.0, una vulnerabilidad de salto de ruta en el gestor de rutas de archivos estáticos permite a cualquier usuario no autenticado determinar si existen archivos en cualquier parte del sistema de archivos del servidor. Al enviar secuencias \"../\" codificadas en porcentaje (%2E%2E%2F) en solicitudes a rutas de archivos estáticos, un atacante puede verificar la existencia de archivos. Este problema ha sido parcheado en la versión 1.17.0."
    }
  ],
  "lastModified": "2026-07-24T21:10:00.143",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:sillytavern:sillytavern:*:*:*:*:*:node.js:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E2E14B3-75EF-4DC4-84BE-8C2F5D6949A4",
              "versionEndExcluding": "1.17.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}