Vulnerability Details CVE-2026-30857
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’s 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 7.6%
CVSS Severity
CVSS v3 Score 5.3
Products affected by CVE-2026-30857
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cpe:2.3:a:tencent:weknora:0.1.0
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cpe:2.3:a:tencent:weknora:0.1.1
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cpe:2.3:a:tencent:weknora:0.1.2
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cpe:2.3:a:tencent:weknora:0.1.3
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cpe:2.3:a:tencent:weknora:0.1.4
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cpe:2.3:a:tencent:weknora:0.1.5
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cpe:2.3:a:tencent:weknora:0.1.6
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cpe:2.3:a:tencent:weknora:0.2.0
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cpe:2.3:a:tencent:weknora:0.2.1
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cpe:2.3:a:tencent:weknora:0.2.2
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cpe:2.3:a:tencent:weknora:0.2.3
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cpe:2.3:a:tencent:weknora:0.2.4
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cpe:2.3:a:tencent:weknora:0.2.5
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cpe:2.3:a:tencent:weknora:0.2.6
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cpe:2.3:a:tencent:weknora:0.2.7
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cpe:2.3:a:tencent:weknora:0.2.8
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cpe:2.3:a:tencent:weknora:0.2.9