Vulnerability library
Security checkApril 08, 2026

x402 SDK Security Advisory

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High severitynpm@x402/svm

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Description

A security vulnerability exists in outdated versions of the x402 SDK.

This vulnerability does not affect users’ private keys, smart contracts, or funds.

The issue impacts resource servers accepting payments on Solana when the facilitator is running a vulnerable version of the x402 SDK.

Recommendation

Update the @x402/svm package to the latest compatible version. Followings are version details:

  • Affected version(s): < 2.6.0
  • Patched version(s): 2.6.0

References

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Related Issues

See something that needs correcting? Let us knowUpdated April 08, 2026