CVE-2024-28088: LangChain directory traversal vulnerability
(updated )
LangChain through 0.1.10 allows ../ directory traversal by an actor who is able to control the final part of the path parameter in a load_chain call. This bypasses the intended behavior of loading configurations only from the hwchase17/langchain-hub GitHub repository. The outcome can be disclosure of an API key for a large language model online service, or remote code execution.
References
- github.com/PinkDraconian/PoC-Langchain-RCE/blob/main/README.md
- github.com/advisories/GHSA-h59x-p739-982c
- github.com/langchain-ai/langchain
- github.com/langchain-ai/langchain/blob/f96dd57501131840b713ed7c2e86cbf1ddc2761f/libs/core/langchain_core/utils/loading.py
- github.com/langchain-ai/langchain/commit/e1924b3e93d513ca950c72f8e80e1c133749fba5
- github.com/langchain-ai/langchain/pull/18600
- github.com/pypa/advisory-database/tree/main/vulns/langchain-core/PYSEC-2024-45.yaml
- github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2024-43.yaml
- nvd.nist.gov/vuln/detail/CVE-2024-28088
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