CVE-2024-0243

Public Exploit
Server-side Request Forgery In Recursive URL Loader

Description

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

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.05%
Third-Party Advisory huntr.com
Affected: langchain-ai langchain-ai/langchain
Published at:
Updated at:

References

Link Tags
https://huntr.com/bounties/370904e7-10ac-40a4-a8d4-e2d16e1ca861 third party advisory issue tracking exploit
https://github.com/langchain-ai/langchain/commit/bf0b3cc0b5ade1fb95a5b1b6fa260e99064c2e22 patch
https://github.com/langchain-ai/langchain/pull/15559 patch issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-0243?
CVE-2024-0243 has been scored as a high severity vulnerability.
How to fix CVE-2024-0243?
To fix CVE-2024-0243, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-0243 being actively exploited in the wild?
It is possible that CVE-2024-0243 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-0243?
CVE-2024-0243 affects langchain-ai langchain-ai/langchain.
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