Security · Updated 23 Oct, 02:05 pm IST
x402 SDK flaw could let malicious APIs drain AI agents' token balances
Why it matters for readers: This explains how a small default setting can create a big security problem for AI agents.
- V12 reported the vulnerability on October 22.1
- A flaw in x402 SDKs could let a malicious API cause an agent to sign a payment for its full supported token balance.1
- The root cause was the SDKs' default client which set no spending limit.1
- Releases on August 18 added a spending limit to address the issue.1
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