Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wevm | Mppx | < 0.4.11 |
Related Weaknesses (CWE)
References
- https://github.com/wevm/mppx/commit/b2b1a0b60506fc71aa80b8a025084949dca1a994Patch
- https://github.com/wevm/mppx/releases/tag/[email protected]Release Notes
- https://github.com/wevm/mppx/security/advisories/GHSA-8mhj-rffc-rcvwPatchVendor Advisory
FAQ
What is CVE-2026-34210?
CVE-2026-34210 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 Payment...
How severe is CVE-2026-34210?
CVE-2026-34210 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-34210?
Check the references section above for vendor advisories and patch information. Affected products include: Wevm Mppx.