Langflow SSRF in Ollama key validation reaches internal networks

high severity · published 2026-08-05

An attacker can point the Ollama provider's OLLAMA_BASE_URL parameter at any address and have Langflow fetch it with no validation or filtering. This reaches loopback, private network, and link-local addresses inside the machine or network.

Fixed in: 1.11.0

CVE: CVE-2026-9081

Source: NVD

Am I affected?

You are affected if the installed version is older than 1.11.0. Check the version you have and update to 1.11.0 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

FixLane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the FixLane MCP server and call get_fix_prompt with incident id 125 and your operating system.