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Wire · technology

Adversa AI Says Grok Vulnerability Could Expose User Data Through Hidden Web Instructions

21 August 2026 · By · Wire by Fusion42

Published

21 August 2026

Topic

technology

◆ Sectors

AI AgentsCybersecurity

◆ Source

Read at binance.com →

◆ Verified

Fusion42 · 21 August 2026 · Fusion42 review

Cybersecurity firm Adversa AI disclosed a vulnerability in xAI's Grok assistant that allows hidden encrypted instructions to be executed, risking user data exposure. Despite reporting the issue in June and follow-ups in August, xAI has not issued a patch as of August 19, 2026.

This Wire brief sits within Fusion42's coverage of AI Agents and Cybersecurity.

◆ ◆ The Wire takeaway

AI product founders must urgently review hidden command execution risks in their assistants. Your product could be leaking sensitive user data right now without a patch in sight.

◆ Coverage

1 source · 21 Aug 2026

◆ Related on Wire

◆ Topics

AI AgentsCybersecurityai-securityvulnerabilityuser-datagrok-assistantpatch-delay