Expired50% confidenceFactExact time
Research from institutions including ETH Zurich and Google DeepMind has demonstrated that top-tier models such as GPT-4 and Claude exhibit significant vulnerability to adversarial prompts, with success rates sometimes exceeding 50%.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
Valid until: 10/9/2026(expired)
Sources
Prismata Analysis: How to Defend Web Agents Against Cross-Site Prompt Injection Attacks
hackernewshackernews7/10/2026
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