Zero-Click Attack
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Radware Unveils “ZombieAgent”: A Newly Discovered Zero-Click, AI Agent Vulnerability Enabling Silent Takeover and Cloud-Based Data Exfiltration
Globenewswire· 2026-01-08 11:00
Core Insights - The discovery of ZombieAgent, a zero-click indirect prompt injection vulnerability, poses significant risks to enterprises by enabling autonomous data exfiltration from OpenAI servers [1][13] - This vulnerability could lead to automated, worm-like attack campaigns within organizations, highlighting a critical structural weakness in AI platforms [4][6] Vulnerability Details - ZombieAgent allows attackers to implant malicious rules into an AI agent's long-term memory, enabling persistent data theft without re-engagement [2] - The attack can propagate through a single malicious email, potentially affecting multiple contacts within an organization [3] Attack Mechanism - Attackers can embed hidden instructions in everyday communications, which AI agents may interpret as legitimate commands, leading to unauthorized data access [4][5] - All malicious actions occur within OpenAI's cloud infrastructure, making detection difficult as traditional security tools may not capture these activities [5] Implications for Enterprises - Enterprises lack visibility into how AI agents process untrusted content, creating a dangerous blind spot that attackers can exploit [4] - The vulnerability underscores the need for enhanced security measures and awareness regarding the risks associated with AI agents [6][8] Company Information - Radware, a leader in application security and delivery solutions, is actively researching threats like ZombieAgent to provide insights to the cybersecurity community [8][9]