MAL-2026-10898 Malicious code in solana-rpc-client (npm)

Malicious package Published
Package
solana-rpc-client
Registry
npm

What is MAL-2026-10898?

MAL-2026-10898 is a malicious package in solana-rpc-client, published on 20 Jul 2026.

Official description

The package's bundled entry points (lib/index.cjs.js and lib/index.esm.js) co-locate require('child_process'), fetch/POST/GET calls, and references to curl/ping within minified output. The package name suggests a Solana RPC client, which would legitimately make HTTP/RPC calls; keyword co-occurrence in a minified bundle is consistent with both that legitimate shape and an exfiltration shape, and the available evidence does not show the destination URLs, whether any code path runs at install/import time, or whether process.env or credential paths feed any of the network calls. No package.json lifecycle hook content has been confirmed. Routing to human review so a reviewer can de-minify the relevant spans (around lines 5016/5046, 11212/11317) and confirm whether the network destinations are documented Solana RPC endpoints (allow) or attacker-controlled hosts (escalate to block).

What should I do about MAL-2026-10898?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

Also known as GHSA-p7xx-6w55-gfrg.

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