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Package · PyPI

langchain-core

9 known vulnerabilities.

All Critical High Medium Low Exploited only Public exploit

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  • High 7.5
    CVE-2026-34070 Public exploit

    LangChain Core has Path Traversal vulnerabilites in legacy `load_prompt` functions

    LangChain is a framework for building agents and LLM-powered applications. Prior to version 1.2.22, multiple functions in langchain_core.prompts.loading read files from paths embedded in deserialized config dicts without validating against directory traversal…

    langchain-ai langchain langchain-core PyPI
  • Critical 9.3
    CVE-2025-68664 Public exploit EPSS 43%

    LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs

    LangChain is a framework for building agents and LLM-powered applications. Prior to versions 0.3.81 and 1.2.5, a serialization injection vulnerability exists in LangChain's dumps() and dumpd() functions. The functions do not escape dictionaries with 'lc' keys…

    langchain-ai langchain langchain-core PyPI
  • High 8.1
    CVE-2024-28088 Public exploit

    LangChain directory traversal vulnerability

    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 re…

    langchain langchain-core PyPI