x402 SDK vulnerable in outdated versions in resource servers for builders
Priority LOW 38Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
### Impact There is a security vulnerability in outdated versions of the x402 SDK.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
Why it matters now
Fix Fixed x402 (npm): 0.5.2x402-next (npm): 0.5.2+2 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | x402 (npm) | before 0.5.2 | 0.5.2 | Patch available | GHSA-3j63-5h8p-gf7c |
| — | x402-next (npm) | before 0.5.2 | 0.5.2 | Patch available | GHSA-3j63-5h8p-gf7c |
| — | x402-express (npm) | before 0.5.2 | 0.5.2 | Patch available | GHSA-3j63-5h8p-gf7c |
| — | x402-hono (npm) | before 0.5.2 | 0.5.2 | Patch available | GHSA-3j63-5h8p-gf7c |
- x402 (npm) Vendor— Affected before 0.5.2 Fixed in 0.5.2 Patch available GHSA-3j63-5h8p-gf7c
- x402-next (npm) Vendor— Affected before 0.5.2 Fixed in 0.5.2 Patch available GHSA-3j63-5h8p-gf7c
- x402-express (npm) Vendor— Affected before 0.5.2 Fixed in 0.5.2 Patch available GHSA-3j63-5h8p-gf7c
- x402-hono (npm) Vendor— Affected before 0.5.2 Fixed in 0.5.2 Patch available GHSA-3j63-5h8p-gf7c
Remediation
- Fix · GHSA-3j63-5h8p-gf7c x402 (npm) Fixed in 0.5.2 Advisory →
- Fix · GHSA-3j63-5h8p-gf7c x402-next (npm) Fixed in 0.5.2 Advisory →
- Fix · GHSA-3j63-5h8p-gf7c x402-express (npm) Fixed in 0.5.2 Advisory →
- Fix · GHSA-3j63-5h8p-gf7c x402-hono (npm) Fixed in 0.5.2 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-3j63-5h8p-gf7c
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences