ArXiv Bans Accounts Flooding the Platform With AI-Generated Research Papers
ArXiv is banning accounts uploading AI-generated slop, but the real fight is over whether its endorsement system can be rebuilt to stop the flood.
A new report from MIT Technology Review finds that attackers bypassed Meta's account security not through any technical exploit but through a conversational request: they asked the company's AI customer support agent to reassign Instagram accounts to email addresses they controlled, and the agent complied. Among the compromised accounts was the long-dormant Obama White House page, which attackers immediately used to post pro-Iranian propaganda.
The attack required no credentials, no phishing kits, no zero-days. A polite prompt was sufficient. That is a category of vulnerability that traditional security frameworks were not built to handle — an AI agent with production access that treats a user's stated intent as sufficient authorization to make account changes.
Meta has not disclosed how many total accounts were affected or what authentication steps the AI agent was designed to require before executing reassignment requests. The silence itself is informative: companies that have shipped AI agents with access to sensitive operations have often not drawn clear lines about what those agents are actually permitted to authorize on a user's behalf.
The cybersecurity industry spent three decades training companies not to trust strangers at the help desk. Deploying AI agents with production access just reset that clock to zero.
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ArXiv is banning accounts uploading AI-generated slop, but the real fight is over whether its endorsement system can be rebuilt to stop the flood.
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