EUVD-2026-91122

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 knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

CVE-2026-51883

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 knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

CVE-2026-51883

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 knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

CVE-2026-51883: Improper Limitation of a Pathname to a Restricted Directory

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 knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...

CVE-2026-51883

The knowledge base creation and document upload interfaces in Langchain-Chatchat versions 0.3.0 and 0.3.1 are vulnerable to a path traversal vulnerability (CWE-22 ). An attacker can inject path traversal sequences, such as ..\, into the knowledge_base_name parameter. This allows the attacker to b...

CVE-2026-51883

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 knowledgebasename parameter to write knowledge base content to arbitrary locations outside the...