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CVE-2026-8786

Estado: AnalizadaBaja (2.1)—

A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of the argument kbId leads to authorization bypass. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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)

Tencent — Weknora

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-8786",
  "cveTags": [],
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          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-05-18T14:28:11.260470Z"
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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          ],
          "vendor": "Tencent",
          "modules": [
            "Config API Endpoint"
          ],
          "product": "WeKnora",
          "versions": [
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              "version": "0.3.6"
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  ],
  "published": "2026-05-18T04:16:34.743",
  "references": [
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      "tags": [
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        "VDB Entry"
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      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/364410/cti",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        },
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in Tencent WeKnora up to 0.3.6. Affected by this issue is the function getKnowledgeBaseForInitialization of the file internal/handler/initialization.go of the component Config API Endpoint. The manipulation of the argument kbId leads to authorization bypass. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
    }
  ],
  "lastModified": "2026-06-17T11:04:28.183",
  "configurations": [
    {
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          "negate": false,
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}