Feed/CVE-2026-51883
CVE-2026-51883CRITICALCVSS 9.1

CVE-2026-51883

Published Oct 1, 2026·Updated Oct 5, 2026

NVD Description

The knowledge base creation and document upload interfaces in Langchain-Chatchat 0.3.0;0.3.1 is vulnerable to path traversal. An attacker can inject path traversal sequences (such as `..\`) into the `knowledge_base_name` parameter to write knowledge base content to arbitrary locations outside the configured knowledge base root directory.

References

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