GHSA-3j63-5h8p-gf7c x402 SDK vulnerable in outdated versions in resource servers for builders
Outdated x402 SDK versions pose a security risk to builders operating resource servers, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Over the internet
- Victim action needed
- Not stated
- Fix
- Available
What is GHSA-3j63-5h8p-gf7c?
GHSA-3j63-5h8p-gf7c is a vulnerability in x402, published on 20 Aug 2025. It can be exploited over the network.
Official description
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There is a security vulnerability in outdated versions of the x402 SDK.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.
Patches
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
Which versions are affected by GHSA-3j63-5h8p-gf7c?
8 open source packages ship an affected version, including x402, x402-express and x402-hono.
| Package | Affected | Fixed in |
|---|---|---|
x402 npm | All versions | 0.5.2 |
x402 npm | All versions | 0.5.2 |
x402-express npm | All versions | 0.5.2 |
x402-express npm | All versions | 0.5.2 |
x402-hono npm | All versions | 0.5.2 |
x402-hono npm | All versions | 0.5.2 |
2 more packages
x402-next npm | All versions | 0.5.2 |
x402-next npm | All versions | 0.5.2 |
How do I fix GHSA-3j63-5h8p-gf7c?
Upgrade x402 to 0.5.2 or later.
Is GHSA-3j63-5h8p-gf7c being exploited?
There is no known exploitation of GHSA-3j63-5h8p-gf7c in the wild and no public exploit code.