CVE-2026-41481

A flaw was found in LangChain and langchain-text-splitters. This vulnerability, a Server-Side Request Forgery SSRF bypass, allows a remote attacker to redirect a seemingly safe URL to internal network resources. By exploiting unvalidated redirects, an attacker could access sensitive data from...

CVE-2026-41481 LangChain: HTMLHeaderTextSplitter.split_text_from_url SSRF Redirect Bypass

LangChain is a framework for building agents and LLM-powered applications. Prior to langchain-text-splitters 1.1.2, HTMLHeaderTextSplitter.splittextfromurl validated the initial URL using validatesafeurl but then performed the fetch with requests.get with redirects enabled the default. Because...