LangChainGo Vulnerability Allows Malicious Prompt Injection to Access Sensitive Data

A recently discovered flaw in LangChainGo, the Go implementation of the LangChain framework for large language models, permits attackers to read arbitrary files on a server by injecting malicious prompt templates. Tracked as CVE-2025-9556, this vulnerability arises from the use of the Gonja template engine, which supports Jinja2 syntax and can be manipulated to perform […]

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