Bleeding Llama: The Ollama Security Wake-Up Call You Can't Ignore

If you run Ollama on a server that's exposed to the internet — even briefly — consider yourself compromised. That's the uncomfortable truth behind CVE-2026-7482, a critical vulnerability in Ollama's API that gives attackers unrestricted access to your models, API keys, and full conversation history.

With a CVSS score of 9.1, this isn't a theoretical exploit. It's a mass-scanned, actively weaponized vulnerability that puts every exposed instance at risk. Here's what you need to know, and exactly how to lock it down.

What CVE-2026-7482 Actually Does

The vulnerability lives in Ollama's REST API. By default, the API hasno authentication— anyone who can reach your server can: