{
  "id": 18797584,
  "title": "Building SolanaSentinel: Pre-Signature CPI Firewall and DeFi Clearinghouse on Solana Devnet",
  "url": "https://urgent.news/2026/11/07/building-solanasentinel-pre-signature-cpi-firewall-and-defi",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-11-07T21:54:38.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/princejain756/building-solanasentinel-pre-signature-cpi-firewall-and-defi-clearinghouse-on-solana-devnet-4fgo"
  },
  "original_language": "en",
  "account": null,
  "summary": "This is a submission for the MLH x DEV Writing Challenge What I Built Halfway through testing a Solana swap router on Friday night, I realized how easy it is for an autonomous agent to sign away an entire SPL token account if a malicious Cross-Program Invocation (CPI) slips a TokenProgram::SetAuthority(AccountOwner) call into the instruction bundle. Most wallets show a balance delta preview, yet…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}