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CVE-2024-28088

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Date: March 2, 2024

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. (A patch is available as of release 0.1.29 of langchain-core.)

Language: Python

Severity Score

Related Resources (9)

https://github.com/PinkDraconian/PoC-Langchain-RCE/blob/main/README.md
https://github.com/langchain-ai/langchain/commit/e1924b3e93d513ca950c72f8e80e1c133749fba5
https://github.com/langchain-ai/langchain/blob/f96dd57501131840b713ed7c2e86cbf1ddc2761f/libs/core/langchain_core/utils/loading.py
https://nvd.nist.gov/vuln/detail/CVE-2024-28088
https://github.com/langchain-ai/langchain/pull/18600
https://github.com/langchain-ai/langchain
https://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2024-43.yaml
https://github.com/pypa/advisory-database/tree/main/vulns/langchain-core/PYSEC-2024-45.yaml
https://www.mend.io/vulnerability-database/CVE-2024-28088

Severity Score

Weakness Type (CWE)

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-22

Path Traversal: 'dir....filename'

CWE-31

Top Fix

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Upgrade Version

Upgrade to version langchain - 0.0.339;langchain-core - 0.1.30

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): NONE

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