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.split_text_from_url() validated the initial URL using validate_safe_url() but then performed the fetch with requests.get() with redirects enabled (the default). Because redirect ta…
Severity medium: primary CNA CVSS 6.5 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-04-24T20:54:27.713Z. Updated 2026-07-15T00:59:28.460Z.