Open Source

Bleeding Llama: Critical Unauthenticated Memory Leak in Ollama

Ollama's memory not cleared between requests exposes chat history to attackers.

Deep Dive

A Reddit user submitted a post with a link and comments.

Key Points
  • No authentication required: any network-accessible Ollama instance is exploitable.
  • Attackers can read prompts, responses, and residuals from other users' sessions.
  • Fixed in version 0.5.0; older versions must be updated or isolated immediately.

Why It Matters

Ollama's memory leak exposes sensitive AI conversations to any network attacker, risking data breaches.