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CVE-2026-22687

Estado: ModificadaCrítica (9.8)—

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, after WeKnora enables the Agent service, it allows users to call the database query tool. Due to insufficient backend validation, an attacker can use prompt‑based bypass techniques to evade query restrictions and obtain sensitive information from the target server and database. This issue has been patched in version 0.2.5.

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.

Vulnerabilidad CWE-89 (SQL injection) en WeKnora expuesta en red (AV:N/PR:N/UI:N) permite obtener datos sensibles y potencialmente modificarlos mediante bypass de validación en herramienta de consulta de base de datos.

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

Tecnologías afectadas (1)

CWE

Referencias

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{
  "id": "CVE-2026-22687",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "id": "CVE-2026-22687",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-10T18:34:38.295697Z"
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          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
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  "published": "2026-01-10T04:16:01.670",
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      "url": "https://github.com/Tencent/WeKnora/commit/da55707022c252dd2c20f8e18145b2d899ee06a1",
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
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  "vulnStatus": "Modified",
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      "description": [
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  "descriptions": [
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      "value": "WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, after WeKnora enables the Agent service, it allows users to call the database query tool. Due to insufficient backend validation, an attacker can use prompt‑based bypass techniques to evade query restrictions and obtain sensitive information from the target server and database. This issue has been patched in version 0.2.5."
    },
    {
      "lang": "es",
      "value": "WeKnora es un framework impulsado por LLM diseñado para la comprensión profunda de documentos y la recuperación semántica. Antes de la versión 0.2.5, después de que WeKnora habilita el servicio de Agente, permite a los usuarios llamar a la herramienta de consulta de la base de datos. Debido a una validación de backend insuficiente, un atacante puede usar técnicas de bypass basadas en prompts para evadir las restricciones de consulta y obtener información sensible del servidor y la base de datos objetivo. Este problema ha sido parcheado en la versión 0.2.5."
    }
  ],
  "lastModified": "2026-06-17T10:20:14.117",
  "configurations": [
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