What is GHSA-3J63-5H8P-GF7C?

GHSA-3J63-5H8P-GF7C is a high-severity security vulnerability in x402 (npm), affecting versions < 0.5.2. It is fixed in 0.5.2.

Which packages are affected by GHSA-3J63-5H8P-GF7C?

x402 (npm) versions < 0.5.2; x402-next (npm) versions < 0.5.2; x402-express (npm) versions < 0.5.2; x402-hono (npm) versions < 0.5.2.

Is there a fix for GHSA-3J63-5H8P-GF7C?

Yes. GHSA-3J63-5H8P-GF7C is fixed in 0.5.2. Upgrade to this version or later.

Is GHSA-3J63-5H8P-GF7C exploitable, and should I be worried?

Whether GHSA-3J63-5H8P-GF7C is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

What actually determines whether GHSA-3J63-5H8P-GF7C is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

How do I fix GHSA-3J63-5H8P-GF7C?

Upgrade: x402 to 0.5.2 or later, x402-next to 0.5.2 or later, x402-express to 0.5.2 or later, x402-hono to 0.5.2 or later.

GHSA-3J63-5H8P-GF7C in x402

Q: Which packages are affected by GHSA-3J63-5H8P-GF7C?

x402 (npm) versions < 0.5.2; x402-next (npm) versions < 0.5.2; x402-express (npm) versions < 0.5.2; x402-hono (npm) versions < 0.5.2.

Q: Is there a fix for GHSA-3J63-5H8P-GF7C?

Yes. GHSA-3J63-5H8P-GF7C is fixed in 0.5.2. Upgrade to this version or later.

Q: Is GHSA-3J63-5H8P-GF7C exploitable, and should I be worried?

Whether GHSA-3J63-5H8P-GF7C is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

Q: What actually determines whether GHSA-3J63-5H8P-GF7C is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

Q: How do I fix GHSA-3J63-5H8P-GF7C?

Upgrade: x402 to 0.5.2 or later, x402-next to 0.5.2 or later, x402-express to 0.5.2 or later, x402-hono to 0.5.2 or later.

Summary

x402 SDK vulnerable in outdated versions in resource servers for builders

Impact

There is a security vulnerability in outdated versions of the x402 SDK. This does not directly affect users' keys, smart contracts, or funds.

This primarily impacts builders working on resource servers.

Affected versions

x402 (< 0.5.2) x402-next (< 0.5.2) x402-express (< 0.5.2) x402-hono (< 0.5.2)

Security releases

x402 → 0.5.2 (npm) x402-next → 0.5.2 (npm) x402-express → 0.5.2 (npm) x402-hono → 0.5.2 (npm)

Kodem intelligence

Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.

Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.

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Remediation advice

Please update to the following package versions:

x402 >= 0.5.2
x402-next >= 0.5.2
x402-express >= 0.5.2
x402-hono >= 0.5.2

Frequently Asked Questions

What is GHSA-3J63-5H8P-GF7C? GHSA-3J63-5H8P-GF7C is a high-severity security vulnerability in x402 (npm), affecting versions < 0.5.2. It is fixed in 0.5.2.
Which packages are affected by GHSA-3J63-5H8P-GF7C?
- x402 (npm) (versions < 0.5.2)
- x402-next (npm) (versions < 0.5.2)
- x402-express (npm) (versions < 0.5.2)
- x402-hono (npm) (versions < 0.5.2)
Is there a fix for GHSA-3J63-5H8P-GF7C? Yes. GHSA-3J63-5H8P-GF7C is fixed in 0.5.2. Upgrade to this version or later.
Is GHSA-3J63-5H8P-GF7C exploitable, and should I be worried? Whether GHSA-3J63-5H8P-GF7C is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
What actually determines whether GHSA-3J63-5H8P-GF7C is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
How do I fix GHSA-3J63-5H8P-GF7C?
- Upgrade x402 to 0.5.2 or later
- Upgrade x402-next to 0.5.2 or later
- Upgrade x402-express to 0.5.2 or later
- Upgrade x402-hono to 0.5.2 or later

Other vulnerabilities in x402

CVE-IDSeverityPackage summary

GHSA-QR2G-P6Q7-W82MHigh@x402/svm: x402 SDK Security Advisory