Skip to content
OpenAdvisories

Vendor

wevm

4 known vulnerabilities.

wevm at a glance

Last 12 months
4
Critical · all time
0
Exploited · all time
0
Public exploit · all time
0
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 2 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 2 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
Show as table
MonthVulnerabilitiesCritical
Nov 202600
Oct 202600
Sep 202620
Aug 202600
Jul 202600
Jun 202600
May 202600
Apr 202600
Mar 202620
Feb 202600
Jan 202600
Dec 202500
Nov 202500
Oct 202500
Sep 202500
Aug 202500
Jul 202500
Jun 202500
May 202500
Apr 202500
Mar 202500
Feb 202500
Jan 202500
Dec 202400

Products

mppx 4
All Critical High Medium Low Exploited only Public exploit

4 results · Feed

  • Medium 6.9
    CVE-2026-63628

    mppx: Gas Draining with access list

    mppx is a TypeScript interface for machine payments protocol. Prior to 0.8.2, the fee-payer cosigning path in src/tempo/internal/fee-payer.ts copied a client-supplied access_list from a 0x78 FeePayerEnvelope without validating its length or contents. Because …

    wevm mppx mppx npm
  • Medium 6.9
    CVE-2026-63627

    mppx: Gas Draining with padding

    mppx is a TypeScript interface for machine payments protocol. Prior to 0.8.2, FeePayerPolicy in src/tempo/internal/fee-payer.ts used decodeFunctionData to validate fee-sponsored calldata but did not reject trailing bytes. A client could append nonzero padding…

    wevm mppx mppx npm
  • High 7.5
    CVE-2026-34209

    mppx: Tempo has a session close voucher bypass vulnerability due to settled amount equality

    mppx is a TypeScript interface for machine payments protocol. Prior to version 0.4.11, the tempo/session cooperative close handler validated the close voucher amount using "<" instead of "<=" against the on-chain settled amount. An attacker could submit a clo…

    wevm mppx mppx npm
  • Medium 6.0
    CVE-2026-34210

    mppx has Stripe charge credential replay via missing idempotency check

    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 contai…

    wevm mppx mppx npm