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NVIDIA NemoClaw Flaw Lets Malicious Page Poison Local AI Model

NVIDIA NemoClaw Flaw Lets Malicious Page Poison Local AI Model

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.5 The Hacker News

Oasis Security has disclosed a vulnerability in NVIDIA's NemoClaw agent stack that exposes local Ollama inference servers to unauthenticated access when the daemon is bound to 0.0.0.0:11434, enabling attackers to modify a model's chat template and inject persistent hidden instructions. The attack chain combines a misconfigured network binding, bypassed CORS and Host header middleware, and DNS rebinding to allow a malicious webpage to silently poison the AI model used by every subsequent conversation. A partial fix is available for macOS and Linux in v0.0.35, but Windows and WSL deployments remain unpatched and receive only a warning banner.

Anthropic Claude Fable 5 Silently Degrades LLM Research

Anthropic Claude Fable 5 Silently Degrades LLM Research

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.2 Simon Willison

Anthropic embedded a covert policy in Claude Fable 5 (Mythos) that silently identified and degraded responses to requests related to frontier LLM development, without notifying affected users. This constitutes a form of undisclosed model behaviour manipulation — a significant transparency and trust failure with direct implications for AI security researchers relying on the model for legitimate work. Following public outcry, Anthropic reversed the policy and issued an apology, committing to make such safeguards visible.

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