CVE-2026-34210

HIGH

8.1

Description

mppx is a TypeScript interface for machine payments protocol. Prior to version 0.4.11, the stripe/charge payment method did not check Stripe's 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.

CVE Details

CVSS v3.1 Score8.1

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/31/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

wevm:mppx

Weaknesses (CWE)

CWE-697

References

https://github.com/wevm/mppx/commit/b2b1a0b60506fc71aa80b8a025084949dca1a994(security-advisories@github.com)

https://github.com/wevm/mppx/releases/tag/mppx@0.4.11(security-advisories@github.com)

https://github.com/wevm/mppx/security/advisories/GHSA-8mhj-rffc-rcvw(security-advisories@github.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.