LangChain is a framework for building agents and LLM-powered applications. From versions 0.3.79 and prior and 1.0.0 to 1.0.6, a template injection vulnerability exists in LangChain's prompt template system that allows attackers to access Python object internals through template syntax. This vulnerability affects applications that accept untrusted template strings (not just template variables) in ChatPromptTemplate and related prompt template classes. This issue has been patched in versions 0.3.80 and 1.0.7.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - LangChain is a framework for building agents and LLM-powered applications. From versions 0.3.79 and prior
    and 1.0.0 to 1.0.6, a template injection vulnerability exists in LangChain's prompt template system that
    allows attackers to access Python object internals through template syntax. This vulnerability affects
    applications that accept untrusted template strings (not just template variables) in ChatPromptTemplate
    and related prompt template classes. This issue has been patched in versions 0.3.80 and 1.0.7.
    (CVE-2025-65106)

ID	Name	Product	Family	Type	Severity
458714	Echo: langchain-core: security update to 0.3.80	Tenable Cloud Security	Echo Local Security Checks	Local	high
458714	Echo: langchain-core: security update to 0.3.80	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
436125	SCA: security update for langchain-core (GHSA-6qv9-48xg-fc7f)	Tenable Cloud Security	SCA Checks	Local	high
436125	SCA: security update for langchain-core (GHSA-6qv9-48xg-fc7f)	Tenable Self-Hosted Container Security	SCA Checks	Local	high

Detections

Analytics

CVE-2025-65106

high

Tenable Plugins

high

high

high

high