CVE-2026-7847Low· 2.6▾ SunlitLangchain-Chatchat Uses Insufficiently Random Values
▾ Sunlit zone — Low / medium · no exploitation signal
impact 14.3 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 13.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.2%
A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently random values. Access to the local network is required for this attack. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
langchain-chatchat <= 0.3.1.3Refer to the advisory for the patched release.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-7846Low· 2.6Langchain-Chatchat has a Race Condition in its OpenAI-Compatible File Upload API
CVE-2026-7845Low· 2.6Langchain-Chatchat Uses a Broken or Risky Cryptographic Algorithm
CVE-2025-6853Medium· 6.3Langchain-Chatchat has a Path Traversal vulnerability
CVE-2025-6855Medium· 5.5Langchain-Chatchat vulnerable to path traversal
CVE-2025-6854Medium· 4.3Langchain-Chatchat vulnerable to path traversal