CVE-2026-30857

{"id": "CVE-2026-30857", "cveTags": [], "metrics": {"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:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "published": "2026-03-07T17:15:53.370", "references": [{"url": "https://github.com/Tencent/WeKnora/security/advisories/GHSA-8rf9-c59g-f82f", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.3.0, a cross-tenant authorization bypass in the knowledge base copy endpoint allows any authenticated user to clone (duplicate) another tenant\u2019s knowledge base into their own tenant by knowing/guessing the source knowledge base ID. This enables bulk data exfiltration (document/FAQ content) across tenants. This issue has been patched in version 0.3.0."}, {"lang": "es", "value": "WeKnora es un framework impulsado por LLM dise\u00f1ado para la comprensi\u00f3n profunda de documentos y la recuperaci\u00f3n sem\u00e1ntica. Antes de la versi\u00f3n 0.3.0, una omisi\u00f3n de autorizaci\u00f3n entre inquilinos en el endpoint de copia de la base de conocimiento permite a cualquier usuario autenticado clonar (duplicar) la base de conocimiento de otro inquilino en su propio inquilino conociendo/adivinando el ID de la base de conocimiento de origen. Esto permite la exfiltraci\u00f3n masiva de datos (contenido de documentos/preguntas frecuentes) entre inquilinos. Este problema ha sido parcheado en la versi\u00f3n 0.3.0."}], "lastModified": "2026-03-09T17:34:19.010", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F3180E7-F262-4100-96C2-4AB5730E75FF", "versionEndExcluding": "0.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}