# Opus 5 may have solved browser-based prompt injection, the biggest security flaw haunting AI agents

> Opus 5 may have solved browser-based prompt injection, the biggest security flaw haunting AI agents Anthropic says Opus 5 is nearly immune to prompt injections in its own software.

- **Source:** [The-decoder](https://the-decoder.com/opus-5-may-have-solved-browser-based-prompt-injection-the-biggest-security-flaw-haunting-ai-agents/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a64a9d8dfe9613082883faa)
- **Published:** 2026-07-25
- **Category:** AI & Bots
- **Tags:** #openai #claude #anthropic #ai
- **Canonical:** http://localhost:4321/a/6a64a9d8dfe9613082883faa

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_GearOpen's distilled summary. The full original article is published at The-decoder (source link above); GearOpen does not republish the source's full text._