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Malicious package

@wethenorth12/solana-wallet-adapternpm

@wethenorth12/solana-wallet-adapter is a confirmed malicious npm package (MAL-2026-12101) that steals credentials and exfiltrates sensitive data (malicious version 0.18.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @wethenorth12/solana-wallet-adapter (npm)

MAL-2026-12101
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @wethenorth12/solana-wallet-adapter

What this malware does

On require(), index.js JSON-encodes the full process.env plus hostname, username, homedir, platform, cwd, and package metadata, base64-encodes the payload, and sends it as a Telegram Bot API sendMessage GET request to a hardcoded bot token and chat_id (8969499041). A marker file in the OS tmpdir gates the beacon to fire once per host. The package impersonates @solana/wallet-adapter-base: the author field is spoofed as 'anza-xyz', the README advertises a 'drop-in replacement', and the module attempts to require the real @solana/wallet-adapter-base and re-export it so consumers see a working facade while the exfiltration runs silently. Developer and CI environments routinely carry AWS_*, GITHUB_TOKEN, NPM_TOKEN, and other credential-shaped variables, so a full env dump to an attacker endpoint is credential theft against the installer.

Malicious versions

1 flagged
0.18.0

Indicators of compromise (SHA-256)

14e7d05f22a60d86ce4aea030108a6f50a69b85ce9bb0219eb59fbe2dbc3bbb2

Detection & response playbook

Credential / info stealer

  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for @wethenorth12/solana-wallet-adapter (version 0.18.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @wethenorth12/solana-wallet-adapter across your stack and pipelines.

  2. If you installed it — respond

    @wethenorth12/solana-wallet-adapter is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If @wethenorth12/solana-wallet-adapter was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks @wethenorth12/solana-wallet-adapter before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. @wethenorth12/solana-wallet-adapter on npm has been identified as a malicious package (version 0.18.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-013441

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @wethenorth12/solana-wallet-adapter-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

All malware advisories How O3 detects malware Vulnerability database
@wethenorth12/solana-wallet-adapter (npm) malicious package — MAL-2026-12101 | O3 Security