Insecure Randomness Affecting langchain-chatchat package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-LANGCHAINCHATCHAT-16635511
- published11 May 2026
- disclosed5 May 2026
- creditDem00
Introduced: 5 May 2026
NewCVE-2026-7847 (opens in a new tab)How to fix?
There is no fixed version for langchain-chatchat.
Overview
langchain-chatchat is a Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain
Affected versions of this package are vulnerable to Insecure Randomness via the _get_file_id function in the Uploaded File Handler process. An attacker can predict file identifiers by manipulating file uploads over the local network, potentially leading to unauthorized access to sensitive files.