CVE-2026-41488: LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's _url_to_size() helper (used by get_num_tokens_from_messages for image token counting) ...

Added to the CISA Known Exploited Vulnerabilities catalog on 24 Apr 2026. Vendor: AI/ML. Product: LLM. CVSS score: 3.1.

LangChain is a framework for building agents and LLM-powered applications. Prior to 1.1.14, langchain-openai's _url_to_size() helper (used by get_num_tokens_from_messages for image token counting) validated URLs for SSRF protection and then fetched them in a separate network operation with indepe...

Required action: Review and patch if applicable to your AI infrastructure.