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langchain-classic vulnerabilities

Vulnerabilities published for langchain-classic in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2026-45134

    High · CVSS 7.1EPSS 0.2%Fix available

    LangSmith Client SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning

    LangSmith Client SDKs provide SDK's for interacting with the LangSmith platform. Prior to LangSmith SDK Python 0.8.0 and JS/TS 0.6.0, the LangSmith SDK's prompt pull methods (pull_prompt / pull_prompt_commit in Python, pullPrompt / pullPromptCommit in JS/TS) fetch and deserialize prompt manifests from the LangSmith Hub. These manifests may contain serialized LangChain objects and model configuration that affect runtime behavior. When pulling a public prompt by owner/name identifier, the manifest content is controlled by an external party, but prior versions of the SDK did not distinguish this from pulling a prompt within the caller's own orga

    langchain-classicPython
    • Update to 1.0.7
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗

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