CVE-2024-0243 – langchain

Package

Manager: pip
Name: langchain
Vulnerable Version: >=0 <0.1.0

Severity

Level: Low

CVSS v3.1: CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

EPSS: 0.00073 pctl0.22842

Details

langchain Server-Side Request Forgery vulnerability With the following crawler configuration: ```python from bs4 import BeautifulSoup as Soup url = "https://example.com" loader = RecursiveUrlLoader( url=url, max_depth=2, extractor=lambda x: Soup(x, "html.parser").text ) docs = loader.load() ``` An attacker in control of the contents of `https://example.com` could place a malicious HTML file in there with links like "https://example.completely.different/my_file.html" and the crawler would proceed to download that file as well even though `prevent_outside=True`. https://github.com/langchain-ai/langchain/blob/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22/libs/community/langchain_community/document_loaders/recursive_url_loader.py#L51-L51 Resolved in https://github.com/langchain-ai/langchain/pull/15559

Metadata

Created: 2024-02-26T18:30:29Z
Modified: 2025-02-26T22:10:45Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/02/GHSA-h9j7-5xvc-qhg5/GHSA-h9j7-5xvc-qhg5.json
CWE IDs: ["CWE-918"]
Alternative ID: GHSA-h9j7-5xvc-qhg5
Finding: F100
Auto approve: 1