# PYSEC-2024-111 - A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version…

Source: https://junglewise.ai/threats/pysec-2024-111-a-path-traversal-vulnerability-exists-in-the-getfullpath-7b8fc815  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-10-29  
License: CC BY 4.0 with a link back

Severity: low · CVSS 3.1 · Published 2024-10-29

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.

Technologies: [langchain (PyPI)](https://junglewise.ai/threats/technologies/langchain). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Low severity, with a CVSS score of 3.1, published 29 October 2024.

**Which products and versions are affected?** langchain (PyPI) GIT:introduced=0,fixed=a0fad77d6b569e5872bd4a9d33be0c0785e538a9|ECOSYSTEM:introduced=0.

**Is there a fix for This vulnerability?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected?** Check whether you run langchain (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- langchain (PyPI) GIT:introduced=0,fixed=a0fad77d6b569e5872bd4a9d33be0c0785e538a9|ECOSYSTEM:introduced=0

## Related threats

- [PYSEC-2026-2561 - Denial of service in langchain-community](https://junglewise.ai/threats/cve-2024-2965-langchain-sitemaploader-denial-of-service-via-infinite-recursion)
- [PYSEC-2026-1507 - Langchain SQL Injection vulnerability](https://junglewise.ai/threats/cve-2024-8309-langchain-sql-injection-vulnerability)
- [PYSEC-2026-1514 - LangChain pickle deserialization of untrusted data](https://junglewise.ai/threats/cve-2024-5998-langchain-pickle-deserialization-of-untrusted-data)
- [PYSEC-2026-1510 - langchain vulnerable to path traversal](https://junglewise.ai/threats/cve-2024-3571-langchain-vulnerable-to-path-traversal)
- [PYSEC-2026-1509 - langchain Server-Side Request Forgery vulnerability](https://junglewise.ai/threats/cve-2024-0243-langchain-server-side-request-forgery-vulnerability)