EUVD-2025-19477
GHSA-qmgv-j263-qr33
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Lifecycle Timeline
4Description
A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Analysis
A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Technical Context
Path traversal allows an attacker to access files outside the intended directory by manipulating file paths with sequences like '../'.
Affected Products
Affected products: Chatchat-Space Langchain-Chatchat
Remediation
Validate and sanitize file path inputs. Use a whitelist of allowed files or directories. Implement chroot jails or containerization.
Priority Score
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External POC / Exploit Code
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