Vulnerabilities
Products Security index
Vulnerabilities
CVE-2026-75128
Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint
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 `knowledge_base_name` parameter to write knowledge base content to arbitrary locations outside the configured knowledge base root directory.
CVE-2026-51884
The /knowledge_base/upload_temp_docs temporary document upload endpoint in Langchain Chatchat 0.3.1 is vulnerable to path traversal. By crafting malicious filenames, an attacker can write files to arbitrary locations on the server, bypassing the intended restrictions on the temporary directory.
CVE-2026-51882
The OpenAI-compatible file upload endpoint `/v1/files` in Langchain-Chatchat 0.3.0 is vulnerable to path traversal. An attacker can write files to arbitrary locations outside the `openai_files` directory by crafting malicious filenames.
CVE-2026-7847
chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values
