AIKIDO-2026-10513
mppx is vulnerable to Replay Attacks
53
Medium Risk
This Affects:
mppxTL;DR
An improper authorization issue in wevm mppx allowed payment credentials to be reused across different API routes because challenges were not bound to a route-specific scope and verifyCredential() did not enforce scope matching, enabling cross-route replay of valid credentials and unauthorized access to protected endpoints with equivalent pricing parameters.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
mppx is vulnerable to Replay Attacks in versions 0.0.1 - 0.6.1.
How to fix this
Upgrade the mppx library to the patch version.
Are You Affected?
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