Unverified50% confidenceFactExact time
The x402 protocol attack surface includes Replay Attacks, where if the protocol fails to prevent duplicate transaction submissions, an attacker can replay legitimate transactions to cause repeated charges.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/12/2026
First Seen
Valid until: 12/11/2026
Sources
Related Entities
Related Claims
UnverifiedThe x402 protocol attack surface includes Authorization Bypass, where an attacker may circumvent or forge payment authorization to achieve unauthorized transactions.77% similarUnverifiedQR code access carries security risks including replay attacks, session credential leakage due to long-lived tokens, and man-in-the-middle attacks.67% similarUnverifiedThe core idea of the X402 protocol is to embed payment into the HTTP request process: the server returns a 402 status code with payment details, the agent signs an authorization from a crypto wallet, completes the payment, and retries the request.64% similarUnverifiedThe X platform may trigger a security protection mechanism for accounts with multiple consecutive authorization failures in a short period of time, resulting in the account being temporarily locked.63% similarUnverifiedControl programs and configurations of PLCs should be backed up offline to enable rapid recovery after tampering or ransomware attacks.63% similar
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