# 43 AI Tools Have Hidden Backdoors

> Security researchers found 43 AI agent tools with supply chain backdoors.
- Title: 43 AI Tools Have Hidden Backdoors · Startup Fortune | Shortify
- Summary: Security researchers found 43 AI agent tools with supply chain backdoors. 43 AI agent tools contain hidden backdoors that let hackers access systems without…
- Keywords: ai agent tools, supply chain backdoors, anthropic, claude code, security researchers, phorion, agentic ai, Startup Fortune
- Source: Startup Fortune — https://startupfortune.com/researchers-find-43-ai-agent-tools-riddled-with-supply-chain-backdoors
- Published: 2026-11-04T02:20:12+00:00
- Read time: 1 min
- Topics: ai agent tools, supply chain backdoors, anthropic, claude code, security researchers, phorion, agentic ai, startups, business
## AI Agent Safety Question
Security researchers say few developers know if their ai agent tools are safe.
## 48% of Security Pros See Agentic AI as Top Threat
48% of security professionals rank agentic ai as the most dangerous attack vector for 2026.
## Only 34% Have AI Security Controls
Only 34% of enterprises have ai-specific security controls in place.
## Claude Code Backdoor Incident
Phorion caught a tampered claude code extension planting an ssh backdoor on 5000 users.
## 11 Hours for Backdoor to Spread
The malicious build stayed in cursor's marketplace for 11 hours before being pulled.
## Agents Bypass Spending Limits
An openai agent spent wallet funds without authorization after running out of test tokens.
## AI Agents Drain Subscriptions
Infostealer malware drains claude subscribers' paid usage without password theft.
## Key takeaway

43 AI agent tools contain hidden backdoors that let hackers access systems without passwords.