Security Advisory

CVE-2026-34210

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-31 14:10:10

Last updated 2026-03-31 18:53:01

Assigner GitHub_M

State PUBLISHED

Description

mppx is a TypeScript interface for machine payments protocol. Prior to version 0.4.11, the stripe/charge payment method did not check Stripes Idempotent-Replayed response header when creating PaymentIntents. An attacker could replay a valid credential containing the same spt token against a new challenge, and the server would accept the replayed Stripe PaymentIntent as a new successful payment without actually charging the customer again. This allowed an attacker to pay once and consume unlimited resources by replaying the credential. This issue has been patched in version 0.4.11.

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