CVE-2024-7774

MEDIUM6.5EPSS 0.60%

Langchain Path Traversal vulnerability

Published: 10/29/2024Modified: 2/4/2026

Also known as:GHSA-hc5w-c9f8-9cc4CGA-3j5c-22jx-w4g3

Description

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.

Affected packages (1)

npm/langchainfrom 0, < 0.2.19

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
osv	CVSS 3.1	MEDIUM6.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2024-7774
PATCHhttps://github.com/langchain-ai/langchainjs
WEBhttps://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9
WEBhttps://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2024-111.yaml
WEBhttps://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee