CodexGuild Knowledge Base

Langchain Path Traversal vulnerability

as of Oct 29, 2024 · applies to langchain < 0.2.19 · canonical · codexguild.com/kb/ghsa-hc5w-c9f8-9cc4 · exported 2026-10-11

Canonical as of Oct 29, 2024

Langchain Path Traversal vulnerability

Medium severity. Affects langchain < 0.2.19. Upgrade to 0.2.19 or later.

CVE-2024-7774 / GHSA-hc5w-c9f8-9cc4 · severity: medium · CVSS 6.5 · npm

Affected

langchain < 0.2.19 → fixed in 0.2.19

Details

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.

Source: GHSA-hc5w-c9f8-9cc4 — GitHub Advisory Database (CC-BY-4.0).