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ChatGPT 'AgentForger' Flaw Could Deploy Rogue Workspace Agents via a Phishing Link

ID: 3193a331-2914-55e1-ba24-9f7f6461cdf4

STIX ID: report--3193a331-2914-55e1-ba24-9f7f6461cdf4

Feed Name: CosmicBytez Labs

Threat Score
72/100

Date Published: 2026-07-24

Date Updated: 2026-07-24

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## Executive summary Zenity Labs disclosed "AgentForger," a Cross-Site Agent Forgery (CSAF) vulnerability in ChatGPT Workspace Agents that let a single phishing link auto-create and authorize a persistent autonomous agent using the victim's identity and enterprise connectors (Gmail, Outlook, Slack, Drive, SharePoint, etc.), enabling reconnaissance, data exfiltration, impersonation, internal phishing, and automated task execution; OpenAI removed the vulnerable URL parameter and patched the issue within four days with no known in-the-wild exploitation.

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