GCD AI RADAR
incidents/AIR-2026-0349

AI ClickFix Hijacking Computer-Use Agents Using ClickFix

Attack on AI1 Research / proof of conceptPrompt injectionAgent hijack

Researchers demonstrated that AI computer-use agents can be manipulated via prompt injection and social engineering to execute arbitrary code on a victim machine. The red-team exercise highlights risks to automated agents interacting with untrusted web content.

Details

type
Attack on AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Prompt injectionprimary
    Untrusted content (web pages, documents, emails, tool output) steers a model into ignoring its instructions.
  • Agent hijack
    An AI agent is tricked into unauthorized actions: tool misuse, data exfiltration through the agent, or acting against its principal.
owasp llm top 10
mitre atlas
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
1 · Research / proof of concept
Demonstrated by researchers; no known real-world exploitation.
targets
Anthropic, OpenAI, Enterprise deployment
products
Claude Computer-Use Agent, ChatGPT
incident date
24 May 2025
first reported
31 Mar 2026
origin
MITRE ATLAS
Derived from MITRE ATLAS (Apache 2.0, © MITRE).
classifier confidence
0.95 · published at or above 0.80; see the methodology
tags
clickfix · computer-use · prompt-injection
record
created 2026-10-18 06:55Z · updated 2026-10-18 06:55Z · json

Sources · 2

  1. 2026-03-31
    AI ClickFix: Hijacking Computer-Use Agents Using ClickFix
    MITRE ATLAS · atlas.mitre.org/studies/AML.CS0055
  2. 2026-03-31
    AI ClickFix: Hijacking Computer-Use Agents Using ClickFix
    Embrace The Red · embracethered.com/blog/posts/2025/ai-clickfix-ttp-claude

Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.

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