X402-foundation @x402/extensions vulnerabilities

• x402-foundation @x402/extensions, x402, github.com/x402-foundation/x402/go/v2 +2 more x402 @x402/extensions 2.3.1 through 2.28.0 SIWX Payment Bypass via PaymentPayload.resource CVE-2026-113603 6.9 MediumOctober 20, 2026