CVE-2024-7774 – Path Traversal in langchain-ai/langchainjs

https://notcve.org/view.php?id=CVE-2024-7774

29 Oct 2024 — A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version 0.2.5. This vulnerability allows attackers to save files anywhere in the filesystem, overwrite existing text files, read `.txt` files, and delete files. The vulnerability is exploited through the `setFileContent`, `getParsedFile`, and `mdelete` methods, which do not properly sanitize user input. • https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9 • CWE-29: Path Traversal: '\..\filename' •